This is part of the sam universe as Ear Infection but reading that first is not all together necessary.
First Mother's Day
Kara has always used Cat has her personal, living canvas. It all started in their freshman year of college when Kara had to come up with a unique way to depict the human body. Eventually Kara decided that the best way to depict the human body would be to paint the different layers of tissue composing the human body onto a human canvas. Kara had requested her professor find her a model to paint upon and Cat had answered the professor's request to one of his other classes. The two of them quickly became friends during the whole project and Kara received an "A" on the assignment, she always credited the grade to her perfect canvas.
It's no surprise then that when Cat finds out she's pregnant that Kara begins to form a plan, a plan that she's quite proud of when she finally puts all the pieces together. It all starts the very day that Cat finds out she's pregnant. Kara has the advantage of being able to see the baby, every day, to see the changes in the small form as it grows. The day Cat tells her she's pregnant is the day Kara first uses her x-ray vision to make sure that Cat's child is perfect. The tiny ball of cells isn't a baby but it awakens something it Kara and she pulls Cat away towards the bedroom of her apartment.
"Lay down," she demands with a wide grin, "I've got a brilliant idea." Once Cat is laying down Kara straddles her thighs without a thought and begins to unbutton the button down shirt the other woman is wearing, something that happens often between the two of them. "I'll be right back," she declares, slipping back off the bed and rushing towards her paints in the corner.
"Am I going to be used as a canvas again?"
Kara grins, "Yes," she tells the other woman simply, squeezing some paint onto a plate and lifting her favorite brush, the one that tickles Cat's skin and makes the other woman squirm with suppressed laughter.
"I told Jonathan this morning," Cat says quietly, her eyes closed, fingers laced behind her head. She frowns, "He doesn't want the baby, he doesn't want me," she shakes her head, "I told him he could have the apartment. I want to buy a house, now that I'm able anyway."
Continuing her easy movements with the brush Kara nods, "He doesn't deserve the apartment and he never deserved you, I told you that from the beginning."
"And you are right, very right but he's not getting custody of the baby either."
"Definitely not," Kara nearly growls, "and at least you kept your maiden name." She tilts her head, "If he's at the apartment, where are you staying?"
"Hotel," Cat says simply, voice sleepy like it always gets when Kara begins painting pictures across her skin.
"No," Kara says firmly, "you'll stay here, at least until you find somewhere."
"You live in a one bedroom apartment."
"Won't be the first time we've shared a bed," Kara says while laying her brush aside and reaching for her camera. "This is done," she tells the woman below her quietly. Cat only hums sleepily, "Don't you want to see it?"
"M'rning," Cat grumbles, "growing tiny humans is hard."
"Now please?"
Cat opens one eye, "Camera," she says and Kara hands the camera over so Cat can see the picture. "Its a blob."
"Its the baby," Kara tells Cat quietly. "That's what it looks like right now. A tiny little ball of cells."
A slow smile curls Cat's lips, "He's cute."
"He's a ball of cells."
Cat shrugs and closes her eyes all over again, "Going to sleep now," she says simply.
Kara smiles, leans down and presses her lips to Cat's forehead, "Love you, Tiny Cat."
"Love you too," Cat whispers back before falling asleep.
After that night Kara paints a picture of what the baby looks like onto Cat's skin once a month. She'll pull out her brushes and depict what Cat's growing child looks like perfectly, one week before Cat's due date she's settled across Cat's knees, painting the tiny little baby curled into a ball when Cat looks up at her, "Why do you keep doing this?"
"You'll see soon," Kara tells her friend simply. "He'll be here soon."
"We keep calling him a he but the doctor can't tell and neither can you, he won't be still long enough." Kara shrugs, "You just know he's a boy too, don't you?" the other woman nods with a smile.
Two days later, Mother's Day, Kara steps into her apartment, where Cat is still staying with a large flat package in hand. "Cat, baby," she calls, having picked up the name for her friend sometime over the last eight months.
"Coming," the other woman calls and then come waddling out of the bathroom, hand pressed into the small of her back. "I've got good news," she says, "I found an apartment today."
Kara wants to protest, she doesn't want Cat to leave, she doesn't want the baby to go home to another apartment, he's supposed to come home to this apartment, their apartment. "Oh," Kara says quietly, Cat's ears barely picking it up.
"You seemed like you had something exciting to tell me," Cat says.
"Yeah, yeah," Kara says, snapping herself out of her thoughts. "This is for you," she says walking forward, "Happy Mother's Day."
"I'm not a mother yet," Cat says.
"You are." She holds the package out, "Open it," she whispers quietly.
Taking the package Cat places it on the table and rips into the paper quickly, it turns out to be a picture frame. The frame itself is hand carved, the details around the edges thin and willowy vines. What has her attention more though are the pictures within the frame. There are four rows, three rows of three pictures each and a fourth row with a single, slightly larger empty slot. The top nine pictures show Kara's paintings, the paintings she'd spent time and meticulous detail on.
"These are all the ones you did?" Cat asks, "It seemed like there were more."
Kara smiles, "They're are actually, these were all done exactly one month apart though. Except the last two, I wanted to have it done for Mother's Day and before he was born." She taps a finger to the empty slot, "This is for a photo of him the day he comes home from the hospital."
Cat smiles at her friend, tears in her eyes, "This is amazing, Kara, and so very beautiful."
Reaching out and pulling the smaller woman into a hug Kara smiles, "I had the perfect canvas," she says quietly, "and the perfect subject." She reaches down to the table, absently tracing the details of the latest picture, "I think he'll look like you."
"Maybe," Cat says quietly, resting her head on Kara's shoulder.
The next evening Kara stands at the window of Cat's hospital room, small form held in her arms, "You missed it by a day, baby boy," she tells him quietly. She glances back to the bed, "Next year, Carter, you and I will make her Mother's Day amazing."
Second Mother's Day
Kara's phone is pressed against her ear by her shoulder, Carter is settled on her hip and she's flipping pancakes on the griddle before her. "Hello," a sleepy voice says on the other end of the line.
"Alex," Kara says excitedly, grinning when Carter's own gummy smile appears at the sound of one of his favorite people's names, "I have a huge favor to ask you."
The younger woman can hear her sister yawn on the other end of the line, "And that couldn't wait until a decent hour of the day? It's five, Kara."
Glancing at the clock, Kara blushes though Alex can't see it, "I'm so sorry, Lex," she tells her sister honestly, "I didn't realize it was so early." She blows a raspberry against Carter's cheek, "Someone has had me up since three."
"Not like you'd have been sleeping anyway. Why do you have Carter?"
"Cat had that dinner last night with her mother that she couldn't get out of, she's actually here too."
"Of course she is," Alex says with a chuckle. "Are the two of you ever going to go on an actual date?"
"Since we aren't together," Kara trails off, leaving the rest of her sentence unsaid. Cat still calls Carter her son sometimes, and it makes Kara's heart burst with love every time,but their relationship hasn't moved past friendship. "Anyway, favor," she says, getting back on track, "I was wondering if you could take Carter for about an hour this afternoon, say around four and then pick Cat up from work at five, making her leave if necessary and bringing her to where I've set up a surprise for her."
"You know I'm always willing to spend time with my nephew," Alex says happily on the other side, Kara picks up a noise in the background on the other side of the line but doesn't mention it. "So what are you planning this year?"
Before Kara can answer she hears Cat quietly padding down the hall, "I'll tell you when you pick Carter up," she says in a whisper, "I've got to go." She hangs up quickly before Cat enters the room, smiling at the sight of her best friend and son. She walks up to Kara, arm curling around the other woman's waist as she presses a kiss to Carter's cheek. "Morning, Mommy," Kara says, dropping a kiss to the top of Cat's head subconsciously.
Cat gives a grin to the other woman, "Good morning." She nestles her head against Kara's shoulder, "What have the two of you been up to this morning?"
"Well someone was up at three," Kara tells the other woman with a smile, "so we've been playing in the living room and then we cooked Mommy breakfast, right, Carter?"
The little boy, giggles and throws his hands in the air before reaching for Cat, "Good morning, beautiful boy," Cat whispers quietly, lips pressed against his forehead. "I can't believe he's one already," she says, looking at Kara.
Kara shakes her head, brushes a hand over Carter's blonde peach fuzz hair, "Me either," she murmurs, leaning over to press her lips to the back of Carter's head. "So you are going to be finished at five today," she tells Cat fingers toying lightly with the hem of Cat's shirt, something that is far from unusual.
"I hope so -"
The other woman shakes her head, "Nope, there is no hoping. I have reinforcements coming to pick you up at exactly five and they will use force to bring you home if needed."
Cat glares at Kara, "You recruited Alex for whatever you're planning?"
Grinning, Kara presses a kiss to Cat's forehead, "You are not allowed to be mad at her or me." She grins at Cat, "Now, you should eat breakfast and get ready for work."
"Why am I going to work on Sunday again?"
"Because you work with incompetent fools," Kara tells her, "according to you, at least."
"Oh that's right," Cat says with a grin. She kisses Carter's cheek, "Alright, baby boy, go back to Mama."
Kara's heart stutters in her chest, she'll never get over Cat calling her that when it comes to Carter. "Give Mommy a kiss," Kara tells Carter and the little boy leans out, pressing his lips to Cat's cheek.
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"Are you sure everything is ready?" Kara asks the woman beside her for what the other woman is sure has to be the hundredth time.
The woman turns Kara around, places her hands on her shoulders, "You have got to calm down, little one," she says with a chuckle, "why are you so nervous about this?"
"Because she is absolutely going to hate it, Aunt Astra," Kara says with a sigh.
"Oh, Kara," Astra says, a smile on her lips, "you've got it so bad, little one." Kara glares at the older woman, "I only call them like I see them. As for your nerves, sweetheart, Tiny Cat is going to love this."
Kara sighs, "Okay," she breathes deeply, "okay, I'm okay."
A throat clearing behind her causes her to turn, "What's all this?" Cat questions, Carter balanced on her hip and Alex trailing behind her.
Stepping up to Cat, Kara rests her hands on the other woman's upper arms, "This," she says quietly, "is your Mother's Day gift from Carter and I."
"And this is?" Cat questions.
"A mommy and me photoshoot."
"I don't have anything to wear but this," Cat says, motioning to the coral and white dress she's wearing. "I should match him," she says motioning to her son in his white t-shirt and jeans.
Kara motions to a bag on the ground at her feet, "Your clothes are in there," she says, "and no they aren't folded, that's your garment bag."
Cat chuckles, presses a quick kiss to Kara's cheek, "You know me so well." She looks the other woman over, "Where are your clothes?" she questions, "You have to match us too."
"I'm not going to be in the pictures," Kara says, "this is for you and Carter."
Stepping into the other woman's personal space, Cat leans up to press a kiss to Kara's cheek, "Then by the time I get ready you need to be ready as well." She grins, "Kara, you're our family, the three of us are family." She nods to where Alex and Astra are standing, the younger woman's head tilted back to look at Astra, "Along with those two loons over there." She chuckles, "So go home and get your clothes and be back here before Astra is ready to start taking our picture."
Nodding and grinning Kara leans forward and presses a kiss to first Carter's temple and then Cat's forehead, "I'll be back in five," she promises and then flies off in the direction of Cat's apartment where more of her clothes are than in her own.
When Astra presents the disk full of photographs to Cat two weeks later, Cat isn't surprised to find that ninety percent of her favorites include her best friend. Her two absolute favorite ones include all three of them, one where Kara is sitting on the ground, hands steading Carter who stands in front of her on shaky legs and Cat sits across from them, arms outstretched towards her son. The second is far more coupley than the first, Carter held close to Cat's chest between she and Kara, his head turned to face the camera while he sleeps, Kara's hands are resting on Cat's waist and her lips are pressed against Cat's forehead, both of their eyes closed. Its her all time favorite and what makes her love it even more is that Astra hadn't staged it, she'd snapped the picture when Kara and Cat had taken the pose after all the others were taken. Its the one Cat prints three copies of, one for her desk, one for Kara's and one for the nightstand in her bedroom.
Third Mother's Day
Kara gets the idea from the internet but she makes it her own all the same. She gets Alex to bring her the piece of Kryptonian silver from her pod at the DEO, which she doesn't know about. She polishes it until it shines and sparkles and reminds Kara of a star bright in the night sky. Then she shapes it, she shapes it with careful fingers and just the right amount of heat vision into the form of a tiny heart, just big enough to fit Carter's two tiny thumbs.
She takes her son's, because she always thinks of him as her son now, thumbprints one day when Cat's going to be gone for over a hour and then uses her enhanced vision to pick apart the arches and curves and waves specific to Carter. When she carefully engraves them into the silver she smiles once the finished product is before her.
"Two months," Alex says one night from her couch, Kara sitting at her kitchen island. "It's taken you two months to get that just the way you want it."
Smiling the younger sister nods, "It has to be absolutely perfect," she says with a grin. "It's hard to beat my gifts from the past two years."
Alex moves toward her sister, "I don't think you have to beat it, Kar," she says quietly, rubbing a hand over her sister's shoulders, "I think it just has to be from you and Carter for it to be the best present ever."
Kara shakes her head, "It doesn't matter that it's from me," she says, "just as long as they're from Carter." She shrugs, "I'm just the only one who will make sure Cat gets recognized as the amazing mother that she is."
"Kara," Alex says, stepping into her sister's personal space, "don't you realize how big of a part you play in Cat and Carter's lives? How much you mean to them both?"
"I'm just her best friend, Alex, and his godmother -"
"His godmother that he calls Mama," Alex says, "Kara, that means something."
"It means I love him as if he were my own and Cat is gracious enough to let me treat him as such. But he's her son, Alex, and one day she'll meet someone who will love her just as much as I do, hopefully more, and then they'll help Carter make all his Mother's Day presents." She tilts her head, "Somebody is fussy tonight," she mutters, "I need to go."
Before Alex can respond she flies off out the window, "He's your son too," she tells her quiet, empty apartment.
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Kara sets Carter down on the end of Cat's bed, breakfast tray balanced in her other hand, and watches him scramble up, "Mommy!" he cries.
The stretching across her features is one Kara finds herself wearing all to often when it comes to the two people on the bed before her. She chuckles when one of Cat's arms slips out from beneath the covers to wrap around Carter and snuggle him into her chest with an almost equally excited squeal of, "Carter!"
"No s'eeping," Carter says while patting Cat on the cheek.
Cat chuckles, "No, baby, no more sleeping."
Stepping forward Kara settles onto the empty side of the bed, placing the breakfast tray before her, "Morning, Kit Kat," she says with a smile.
A glare is her answer for long moments, "Mama," Carter says, "Mommy no like."
Chuckling Cat tickles Carter's side, "Thank you, baby." She glances at the tray full of food, "Breakfast looks great, Kare Bear."
"There's something special there for you too," Kara says as Carter crawls over to her and settles himself into her lap.
Lifting the small jewelry box up Cat studies it, "What's this, babe?"
"Open it and find out," Kara tells Cat quietly as Carter curls into a ball, his head resting on her elbow and small arms wrapped around her forearm. Cat grins at her and unties the baby blue bow tied on top of the small white box.
When the small silver pendant and chain are in her hand Cat gasps, "Kara, it's beautiful." She studies it for a few long moments, "This isn't normal silver," she finally says.
Kara shakes her head, her fingers running lightly through Carter's darkening dirty blonde hair, "It's Kryptonian silver," she tells Cat, "it was with me when I landed here." She lifts her mother's necklace from her chest, "This is made of the same metal. Yours is engraved with Carter's thumb prints, his name and birthday on the back."
She places the necklace around her neck, "I love it," she mutters, leaning forward she doesn't kiss Kara's cheek, she presses her lips to Kara's, "Thank you."
As Cat leans forward for another kiss Kara leans back, "Please," she says, "please don't if you don't mean it."
Cat reaches up, thumb brushing lightly over Kara's cheek, "I've always meant it, Kara, you've always been it for me." This time Kara leans forward and let's her lips meet Cat's, a smile curving them.
Fourth Mother's Day
"Are you sure about this?" Kara asks, Carter's hand held in one of her own and diaper bag over the other shoulder.
Alex grins, "We're positive, Kara, we wouldn't have volunteered if we weren't." She runs a hand over her protruding stomach, "Besides it'll be good practice."
Kara chuckles, "You're having a baby, Lex, not a toddler. There's a big difference between the two."
"That may be," her sister says, "but Astra and I are more than capable of handling our nephew for one night."
"Okay," Kara says with a broad smile. "Thank you."
"Go," Alex says with a grin while pushing her sister back towards the door, "take your girl to dinner and have a night just the two of you."
The younger woman smiles, "You're the best, big sister," Kara says before kneeling down to Carter's level. "You be good for your Aunt Lex and Aunt Astra tonight," the younger woman tells her son tapping a finger against his chest. "Mommy and I will be back to get you bright and early tomorrow morning."
Carter grins, "'Morrow M'rning?"
Kara laughs and nods, "Yeah, baby, tomorrow morning." His bottom lip quivers, "You have to stay here with Aunt Lex and Aunt Astra," she tells him calmly, "Aunt Lex needs you to help her get Aunt Astra to watch Finding Nemo, think you can do that?"
"Yeah," Carter cheers, "Nemo!"
Grinning Kara opens her arms, "Give me a hug, buddy."
The little boy throws his arms around her neck, "Love you, Mama."
"I love you too, Carter," Kara says, her nose buried against the side of her son's neck. "Be good, baby," she says standing up again.
Kara hears the thud of someone landing on the balcony and turns in time to see the doors open, before she can say more Carter goes hurtling by her, "A'nt Astra!"
Chuckling Kara watches her son throw himself into her aunt's arms. She turns to Alex, leaning over to press a kiss to her sister's cheek, "Thanks, Lex. If he gets to be a handful or you need anything call us."
"We will, Kara, promise," Alex says before watching her sister leave the apartment and turning back to her wife and nephew. "Alright, my two movie buddies, what are we watching first?"
Carter smiles and bounces in Astra's arms, "Nemo! Nemo! Nemo!"
"I think that would be Finding Nemo," Astra says with a smile.
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Cat enters the apartment at five-thirty, smiling at the sight of rose petals strewn across the floor. They form a trail down the hall towards her bedroom, the bedroom she's been sharing with Kara for nearly six months now. Inside their bedroom she gasps at the sight of a brand new black halter style dress and silver heels. Stepping forward she lifts the handwritten note from its spot on the bed.
Hey, Gorgeous, I know you probably stayed late at work but don't worry I accounted for that. Put your new dress and heels on and do your hair.
Cat can practically see the grin on Kara's lips.
I'll be by to pick you up at six-thirty and we have reservations for seven-thirty. I love you, Kit Kat. Happy Mother's Day.
Smiling to herself, Cat runs her fingers over the hem of the black dress, letting the material trail between her fingers. "Oh, Kara," she whispers to herself, "my wonderful, Kara." She smiles to herself, she can think of a much better way to spend their evening.
When Kara knocks at the apartment door she isn't expecting Cat to answer in nothing but a pair of boyshorts and one of Kara's button downs. Reaching out to gather the front of Kara's shirt in her fist Cat pulls the other woman into their apartment, "Change of plans, Supergirl," she murmurs, pressing her lips to Kara's.
"You aren't dressed," Kara says, hands resting on Cat's hips.
Cat shakes her head, "No," she says, "I'm going to save that beautiful dress for another night because tonight I don't want to share you." She grins, "There are six pizzas in the kitchen when we want them." She reaches for Kara's hand, laces their fingers together, "But at this moment I have other plans."
Smiling Kara leans down to steal a kiss, "I thought you'd want to go out. I was going to show you off."
"I thought I wanted to go out too," Cat says, resting her forehead against Kara's, "but when I saw your note," she smiles, "when I saw your note all I wanted was to spend tonight, just you and I right here."
"That sounds perfect," Kara says leaning down to kiss Cat before lifting the slightly smaller woman into her arms. "Perfect."
First Mother's Day
Kara wakes to the feeling of a small body sitting on her chest and grabby hands pushing at her, "Mama! Mama! Mama!" A slow smile slips over her features as she scoops her son up off her chest and snuggles him into her side, "M'orning, Mama," he tells her with a smile and a kiss to her cheek.
"Morning, baby boy," she glances to the other side of the bed, eyebrow rising when she finds it empty. "Where's Mommy?"
"Right here," a voice says from the doorway and Kara smiles as she watches her wife of two months make her way towards the bed. "You always spoil me on Mother's Day and leave me to spoil you after," she places the breakfast tray on the bed, "I decided it was time to jumble up tradition."
Reaching out Kara gathers the collar of Cat's silk pajamas in her hand and pulls her down into a kiss, "You are amazing, you know that?"
"It's nice to hear it," Cat says with a grin of her own. She looks down at Carter, "Somebody has already been in his birthday presents this morning," she says with a pointed look at the boy who has a plush Nemo pulled against his chest.
Carter shakes his head, "Not me, Mommy, Nemo s'eep wit me."
Kara and Cat look at one another, as if questioning which one gave the boy the stuffed fish and then nod together, "Aunt Alex," they say at the same time.
Chuckling Kara scoops Carter up and holds him over her head, "You, silly boy," the little boy holds his arms out and Kara lowers him until they wrap around her neck and he pulls himself close to her body, tucking his head under her chin.
"I love you, Mama," he tells her, his voice sleepy.
She glances at the clock, noting that its six and that he's not used to be up that early anymore, "I love you too, baby bear." A sleepy little giggle is the last sound he makes before he goes limp in her arms as he falls asleep. She lowers him to the bed between she and Cat and plays lightly with the now dark hair on his head, "Thank you," she says looking up at Cat. The other woman raises an eyebrow, "Thank you for giving me the most amazing little boy anyone could ask for. Thank you for letting me be his mother too."
Smiling Cat picks up a letter sized envelope from the breakfast tray and holds it out to her wife, "Open your present," she says instead of acknowledging what her wife has said.
Confusion clouds Kara's features but she reaches out for the envelope anyway and opens it with careful fingers. A small gasp leaves her lips when she reads the words written across the top of the first page, "Cat, what -"
Her words are stuck in her throat but Cat knows what she means, "Johnathan signed away his parental rights two years ago," she says quietly even though Kara has known that, has always known everything Carter's father did to distance himself from the boy. "I've been thinking of doing this since then because he's your son too, Kara, he always has been. When I realized his birthday was Mother's Day this year I wouldn't put it off any longer." She reaches out, brushing away the tears on Kara's cheeks, "I never want anyone to be able to say you aren't his mother, not ever again."
Smiling, tears trailing down her cheeks, Kara leans over Carter and presses her lips to her wife's, "Thank you," she whispers, "thank you." She kisses Cat again, "I love you," she tells her, "I love you both so much."
Cat smiles, "We love you too, Supergirl."
Prompt: Prompt: Hey so i know you did a mothers day thing for supercat, but what about young!supercat & baby!carter mothers day? Possibly in the sameish verse as ear infection and kara does something for cat bc carter is still a baby and kara wants to celebrate cat for being a mom?