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Amelia and Derek had been scouring through patient files for 3 days trying to pick the 13 patients who would undergo the clinical trial. The patient had to meet very strict criteria. This made it a little easier for them to pick; however, both felt horrible for each patient they had to say no to.

"Derek, you need to go. Addison's check-up is in 20 minutes. We only have 2 more patients to pick. I will continue to look through the files while you are gone and will set aside any possible candidates." Amelia said as she shoved her brother out of his chair.

"Wow. I totally lost track of time. Thanks Amy!" Derek replied as he scouted out the door. He made his way down to the OB floor and got into the exam room just in time.

"Wow! 30 weeks already with these little guys. Hard to believe!" exclaimed Arizona as she skated into the exam room.

"I believe it." retorted Addison as she awkwardly got up on the table. "I can barely move and have to pee every hour." she complained. Derek helped her lay back while Arizona tried not to laugh.

"Would you guys like to do a 4D ultrasound today so you can see the babies?" Dr. Robbins asked.

"That would be amazing!" Derek said excitedly. He looked at Addison, who was smiling at him. She had performed the newer technology of 4D ultrasounds several times and was still blown away at the detail.

"That would be great, Dr. Robbins." Addison said as Arizona began to set up. Soon the image of one of the boys was on the screen.

"Derek, look at how much hair he has!" Addison exclaimed. Derek looked at her confused. He just saw a wrinkly head.

"What hair?" he asked.

"The wrinkles on the screen are hair. You can't actually see the hair in a 4D ultrasound." Addison explained. They watched in awe as Arizona continued to move the wand around so they could see both boys.

"Can you tell at this point if they are identical?" Derek asked, still amazed at really seeing his boys for the first time.

"They have separate placentas, so we don't know for sure at this point." Addison replied.

After printing off some pictures and finishing the examination, Dr. Robbins left the married couple alone. Derek helped Addison sit up and kissed her temple as he gave her a hug.

"Seeing these images makes off of this even more real." Derek said.

"You mean my massive belly isn't making it real enough for you?" Addison joked.

"Your massive belly just makes me love you even more." Derek answered, helping her down off the exam table.

"Dr. Shepherd, I think you are just trying to get laid." Addison said coyly. Derek pulled her in for a tight hug and kissed her deeply.

"Maybe I am, Dr. Shepherd." he whispered in her ear, sending chills down Addison's spine. Before Addison could respond, her pager went off.

"We will have to continue this later." Addison groaned as she grabbed her lab coat, gave Derek another quick kiss, and ran out of the room.

Derek made his way back to his office. "Check out these pictures of your nephews!" he exclaimed to Amelia. She walked over and looked at the ultrasound pictures Derek was holding.

"Wow! That is so cool!" she replied. "You have to send some of these to Mom. I think they are the first grandkids to get the 4D ultrasound done."

"Well, at least they are the first for something considering they have 14 older cousins!" Derek laughed. He knew Amelia was right though. His mom would love a copy of the pictures.

"Any luck finding the last 2 patients?" Derek asked as he put the pictures in his top desk drawer.

"Actually, I think I have." Amelia answered, handing Derek 2 files. He looked through both files quietly for a while.

"These both seem like good options. I guess we have our lucky 13." he said as he looked up at Amy. "Now, Amy, before we go any farther, I need to know that you can handle this. I need to know that you are prepared for the possibility of a good portion of these patients to not make it." he said seriously.

"Derek. You have said that to me almost every day that I have been here. I understand the seriousness of this. I understand the risk. I can handle it." Amelia said, a little annoyed but also touched by Derek's concern.

"Ok. Then give the 13 files to Meredith, so she can contact the patients and get the surgeries scheduled." Derek answered. Amelia gave him an odd look. "What?" Derek asked.

"Is it weird to work with the woman who you cheated on your wife with?" the younger sibling blurted out.

"Amy!" Derek sait sharply. He shook his head. His sister was always asking pointed, inappropriate questions. Well, at least what he considered inappropriate.

"What?" Amelia asked. "Is it?"

"Not that it is any of your business, but, no, it isn't. At least, not anymore." Derek clipped. "We have all moved on. Meredith is happily dating Finn, and Addison and I are happily married."

"Yes, I heard the evidence of that last night." Amelia said under her breath.

"What?" Derek asked annoyed.

"Nothing. I will give the files to Dr. Grey." Amelia smiled. Derek looked at her for a few more seconds before he left his office. He checked his watch. It was 2:00. Addison would be in surgery for at least 2 more hours. That would give him enough time to run out to the property and check on the progress of the house.

As Derek pulled up to the house, he was still amazed at how fast it was getting built. The house was two stories with a massive wrap around deck. It had a rustic, log cabin look to it on the outside, but the inside was very elegant and sophisticated.

Derek walked into the house and was thrilled to see that the kitchen looked nearly completed. They had picked out Cherry wood cabinets with light blue marble countertops. It looked amazing!

"Derek! Good to see you!" Bill, their contractor exclaimed as we walked over to shake Derek's hand.

"Wow, Bill. It looks great in here!" Derek said as he saw that stacks of the bamboo floor had been delivered.

"Things are really coming together. I was going to call you today and let you know that it looks like we can get the occupancy permit by the end of the month." Bill said.

"That is almost a whole month sooner than we were expecting!" Derek said excitedly.

"Well, I know you have the twins due in April, so I am doing everything I can to get this done so you guys can get settled before they arrive." Bill smiled.

"We really appreciate it." Derek replied. "Do me a favor and don't tell Addison. I would like to surprise her."

"Sure thing." Bill answered.

As Derek walked around the house, he couldn't believe how his dreams were coming together. He had an amazing wife and they were building an awesome house, with land, a lake, everything he always wanted. And soon, they would have two little boys. He stood in the room that would be the boys' nursery. The walls were being painted a hunter green. Addison and Derek had decided to go with a Jungle theme. He couldn't wait to get the cribs moved in. Addison had picked out the bedding and other decor. Derek pretty much left all the decorating decisions to her.

Derek crossed the hall to the Master bedroom. There were 2 walk in closets, a sitting area, and a massive spa type bathroom connected. There was also a fireplace and a view of the lake. Derek could stand by the bay windows for hours staring out at the beauty! He couldn't wait to wake up to that every morning!

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While Derek was at the property, Amelia went in search of Meredith She found her sitting in the cafeteria with a group of other doctors.

"Dr. Grey. Dr. Shepherd and I have chosen the 13 patients for the clinical trial. We are ready for you to schedule the surgeries. Please read the notes Derek typed up in the computer about the dates he is available. Page me if you have any questions." Amelia commanded.

"Yes, Dr. Shepherd. I will get on that this afternoon." Meredith responded. Amelia nodded at her and turned around and left.

"Was that Derek's sister?" Christina asked.

"Yes. It is his youngest sister. She is nothing like him." Meredith informed her.

"So, what should we call her because obviously she can't be the She-Shepherd." George chimed in.

"I would call her the annoying Shepherd." Meredith retorted. "It is hard enough working with Derek over the past several months on this clinical trial, but now adding another Shepherd in the mix is down right frustrating!" she continued as she spiked her fork in her salad.

"What are you going to do when the rest of the Shepherd's are here next week for the baby shower?" Izzie asked.

"That is supposed to be a surprise!" George said looking around. "You better be quiet about it. If Addison finds out, Callie will kill us!"

"How many more Shepherds are going to be here?!" Christina exclaimed.

"Well, Derek does have 4 sisters and a ton of nieces and nephews." Meredith said.

"That's a lot of kids!" Christina said in surprise. "Are they all flying out here?"

"Callie said Derek's mom is definitely coming and maybe one of his other sisters. They all can't come out. She also said Addison's mom might be coming." George said. He had heard more about Addison's baby shower than he wanted to since his wife was the one throwing it.

"Do we even have to go?" Christina whined.

"I don't think I should considering I am the dirty ex-mistress." Meredith smirked. "I mean, what do you buy your ex-boyfriend's wife's babies? Lexie is going since she is dating Mark. I guess Addison and her are kind of friends now. It is all so weird!"

'I'm going. I mean, I have worked so much with Addison lately. I think it would be rude not to go." Izzie said. "Speaking of that, I have surgery with her soon. See you guys later." she said as she got up from the table.

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Later, Derek made his way into the gallery to watch Addison finish up surgery. She was operating on a premie that had been born last week at only 27 weeks gestation. It occurred to Derek that his boys were a whole month further along than the little boy on the operating table. He couldn't imagine how those parents must feel.

When the surgery was over, Derek met Addison in the scrub room. She smiled at him as she finished washing her hands. She automatically reached up to unpin her wedding rings.

"I keep forgetting I can't wear my rings right now." Addison laughed as she realized there were no rings to unpin. They had started to become tight as her hands were swelling a little from the pregnancy, so she had made the decision to take them off until a later date.

"You amaze me, Addie." Derek said as he gave her a kiss and a tight hug. Addison had also chosen to stop wearing heels as her feet could no longer handle them. Derek was loving it because it made him a lot taller than her. He always liked holding her when he could rest his chin on her head, which didn't happen when she was in heels.

"What do you mean?" she asked, confused.

"I don't know how you operate on babies that are younger than ours almost every day." Derek answered. Addison was quiet for a while.

"It wasn't easy at first. Especially, when the babies were about the size of a soda can. But at the same time, it does comfort me to know that if something were to happen now, our babies are big enough that their chances of survival are pretty high." Addison said as they walked down the hall.

"Have you thought about slowing down now as you enter the final months of the pregnancy?" Derek asked as they entered the attendings' lounge.

"I guess. I was going to try and make it to 34 weeks before slowing down; however, my feet are killing me and that was only a 2 hour surgery!" Addison answered as she sat down on the couch. Derek sat next to her and began to rub her feet.

"I think you should slow down to only 3 days a week. Or maybe only working half days?" Derek said as he moved to massaging her shoulders.

"I have to at least finish out this week as I have several surgeries planned only I can do." Addison answered as she closed her eyes. "Wow, Derek. This feels amazing."

"How would you like to get pampered this Saturday with Callie and Amelia? Go to a spa and get the whole works." Derek asked casually. He needed a way to get Addison to go do something with Callie before her surprise shower, and this sounded perfect! Something she would actually agree to go do!

"Seriously?!" Addison exclaimed sitting up and hugging Derek. "That would be AMAZING!"

"Is it amazing enough for me to get laid, as you so sweetly suggested earlier?" Derek winked.

"Definitely later." Addison laughed. "I need to go prep for my next surgery." She gave Derek a quick kiss before leaving for her office.

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Saturday morning, Addison woke up and stretched. She couldn't believe she was now 31 weeks pregnant! And even better, today was the day she was going to the spa with Callie and Amelia! It had been a really long, hard week. Addison had decided that from now on she was only going to work half days and only perform surgeries no one else was able to do.

Derek walked into their bedroom with a tray full of food and surprised Addison with breakfast in bed.

"What in the world, Derek?" Addison asked as she took a piece of bacon.

"I figured I would start the day of spoiling out right." he smirked, kissing her on the nose. He picked up a piece of toast and took a bite. Just then Addison's whole belly moved. "Was that just one of the boys kicking?" Derek asked in awe.

"Yes, they are getting big enough now, you can see them kicking or rolling over. Not that there is a lot of room in there for them to do that. I don't know how they are going to fit in there in 9 weeks! Especially if they take after their father and many of their cousins and are large babies!" Addison exclaimed.

"Hey! I was only 9lbs 3oz at birth." Derek feigned being offended.

"Sweetie, the average baby is only 7'lbs 7oz." Addison laughed as she placed a hand on Derek's cheek. "Don't worry. You lost all your baby fat." she continued as she ran her eyes over her husband's body. He was only wearing boxers. Even after 15 years, Addison still couldn't get over how hot her husband was! Derek started to laugh.

"Would you like to inspect my body a little closer in the shower?" Derek winked as they finished breakfast.

"I think that can be arranged." Addison replied as he helped her out of bed.

An hour later, Callie picked Addison and Amelia up and headed off to the spa. All 3 were in 7th heaven. Amelia was enjoying a break from Nancy and her mom, who had been texting her non-stop from their hotel. Callie was enjoying a break from all the intern drama that always made its way home with George.

"So what are you naming those boys anyway?" Amelia asked casually as she sipped some lemonade during their pedicures.

"Honestly, we don't know yet. We just know we want different names. Nothing too common." Addison answered.

"Oh,Bizzy is going loooooooove that." Amelia laughed. Addison shrugged her shoulders.

"It really isn't her choice." Addison clipped. Callie looked over at Amelia questioningly.

"You haven't met Addison's mother yet, have you." Amelia whispered to Callie. She shook her head. "Just wait. That's all I can say." Callie started to worry a little. She knew Addison's mother would be at the baby shower. Would Addison be ok with that?

"There is a part of me that wishes we were having a girl so I could take her on spa trips like this." Addison sighed. "It is one of the few good memories I have with my mom as a child."

27 years earlier

"Addison, sit up straight. You don't want to be a hunchback when you are older." Bizzie reprimanded 10 year old Addison as they were waiting to get their nails done.

"Yes mam." Addison responded sitting up straight in her chair. She loved going to the spa with her mom, even if she was corrected on every little thing she did. It was one of the few places Bizzy took her, just the two of them.

"Bizzy, what color should I get my nails painted?" Addison asked her mother as she looked at her fingernails.

"Well your dress for the fundraiser this weekend at the country club is lavender, so I think you should go with that color to match." Bizzy said casually. Addison nearly jumped out of her chair with excitement.

"I get to go to the Children's Hospital Gala this weekend?!" she asked excitedly. She had been asked to go for months but had always been told no.

"Your father and I discussed it and have decided to reward you for your hardwork in school this year. You got straight A's, which I know was not easy to do in 5th grade." Bizzy said casually.

The gala had been a dream come true for Addison. She was fascinated by the stories of doctors helping children with horrendous diseases. It was where she first became interested in being a doctor, especially neonatal.

"There is always next time." Amelia laughed.

"My luck we would end up with another set of twin boys!" Addison exclaimed. Callie and Amelia laughed.

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Meanwhile, Derek was helping his mom, Nancy, and Lexie set up for the baby shower. They had taken over one of the conference rooms in the hospital. It was decked out in baby blue and hunter green.

"I still can't believe my baby boy is having twin boys!" Carolyn exclaimed as she looked around the room. Derek gave her a quick hug.

"I am nearly 40, Mom" Derek laughed.

"But you will always be my one and only baby boy." she replied matter of factly.

"Yes, and you still think he can do no wrong." Nancy piped in rolling her eyes.

"I am the golden child." Derek smirked. Nancy playfully hit him in the shoulder.

"Watch it, boy. I am older than you and can still kick your butt." Nancy said, raising her eyebrow and crossing her arms over her chest.

"I tell my little sister the same thing." Lexie laughed as she hung up some more streamers.

"This is why I am glad I had no siblings." Mark piped in as he walked in the room carrying a ridiculously large cake.

"Oh, set the cake right here." Carolyn instructed Mark. "There, I think we are about done. The place looks great! You can hardly tell we are in the hospital at all." Derek rolled his eyes behind his mother's head. She did not approve of hosting the baby shower in the hospital, but as 90% of the guest list worked at the hospital, it had been the best option.

"For once, we agree on something." Bizzy commented as she waltzed into the room. Carolyn looked quickly at Derek. He shrugged his shoulders. Callie had forgotten to tell him that Addison's mother was going to be there. "Derek, dear, please tell me there is alcohol at this baby shower."

"Um, no, Bizzie. As the majority of the people attending are currently on duty to be practicing medicine, we chose to forgo the alcohol." Derek replied, slightly annoyed.

"Well then, take me to Addison's office so I can freshen up a bit before the party." Bizzy commanded Derek. She turned around and left before he had a chance to refuse. Derek glanced at Nancy, who was smirking at him, rolled his eyes, and left the room.

"I really don't like that woman." Carolyn complained.

"Who was that?" Lexie asked confused.

"That was Bizzy. Addison's mother" Mark answered.

"That was Addison's mom?!" Lexie exclaimed.

"Yes. Thankfully, the apple fell very far from the tree with Addison and her mother." Mark replied. "I am not even sure why she is here. She has barely spoken 2 words to Addison since told her she was pregnant."

"Um, that would be my fault." Lexie said quietly. "She told me she couldn't come when I called her to invite her to the party, and I told her that she had to come. I am never going to get to experience my mother coming to my baby showers since she is gone. I told her she couldn't miss this." Carolyn, Nancy, and Mark all looked at Lexie in surprise.

"You actually said that to Bizzy?!" Nancy asked, astonished.

"Even more surprising is, it worked." Mark said. Lexie looked between all 3 of them worriedly.

"Well maybe that is just what she needed to hear to knock some sense into her because every word is correct. Well done, Lexie." Carolyn said, giving Lexie a hug.

"Um, thanks?" Lexie replied, still not sure if it was a good thing Addison's mom was there or not.

"Oh my goodness!" Carolyn exclaimed looking at her watch. "Look at the time. The party starts in only 15 minutes. Let's finish tidying up and get the chairs arranged." And just like that, Carolyn was back in mom mode and was giving everyone last minute jobs.

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"Callie, I don't WANT to go by the hospital." Addison complained. They were in the car on the way back to Addison's apartment when Callie informed them she needed to go check on a patient.

"Oh, come on Addie. It will only take a few minutes." Amelia replied.

"Fine." Addson said resolutely. She just knew when she got to the hospital, someone would need her for something. Today was supposed to be a day off.

As they were walking down the hall, all 3 of their pagers went off.

"Ugh!" Addison whined. She looked at the page. 911 to the conference room? That was strange. "Why are we being paged to the conference room?" she asked as the 3 of them hurried down the hall.

"SURPRISE!" Everyone yelled as soon as they opened the door. Addison was completely shocked. She saw her mother-in-law, Nancy, Nancy's 4 daughters, a ton of hospital staff, and then she saw her mother. Her jaw literally dropped when she saw her, but soon was closed at the horrified look on her mother's face.

"Addie, love, welcome to your baby shower!" Derek exclaimed as he stepped forward. He leaned in to give her a kiss on the cheek and whispered in her ear "Don't let your mother being here ruin this for you. Lexie and Callie were only trying to help by inviting her."

"I'll be ok, Babe." she whispers back as she smiles up at him.

"I can't believe you guys planned all of this!" Addison exclaimed as she gave Callie and Lexie a hug. Addison made her rounds saying hi to everyone. She was surprised at how many people from the hospital showed up. Many times, she still felt like an outsider at Seattle Grace, but she was realizing that no one really cared anymore about all the drama that surrounded her arrival.

"Bizzy, it is so good to see you." Addison said sweetly to her mother.

"Of course, my dear." Bizzy replied, giving her daughter a stiff hug. "The Captain and Archer look forward to seeing Derek and you tomorrow for lunch as well."

"The Captain and Archer are in town as well?" Addison asked surprised.

"Yes. And we are all going to lunch tomorrow at the Blueacre." Bizzy said as if Addison should already know all this. Addison was speechless. Her parents were taking them to the high end seafood restaurant. Seafood of all things. She was pregnant! There was very little seafood she could eat because of mercury but of course they wouldn't even consider this.

"Time for some games!" Callie said before Addison could respond to her mother. "We are going to start with guess the baby good!" Callie laughed.

The next few hours was a whirlwind of silly baby shower games, which Addison loved but was very aware that her mother hated. No one besides Addison could tell as she was very versed in WASP. There was plenty of presents, cake, and finger foods.

"I can't believe all this stuff you guys got us!" Addison exclaimed as she opened the last present. "We won't have room for the babies with all their stuff!" she laughed. Soon there were only a few guests left, including the Shepherd clan and Addison's mother.

"Well, my dear. The driver is waiting to take me back to the hotel. We will see you tomorrow at noon." Bizzy said as she left.

"See her tomorrow at noon?" Derek asked Addison as he raised his eyebrow in question.

"We will talk about it later." Addison said through a plastered smile. To everyone else, she looked completely normal. But Derek knew her better than that. He gave her a slight nod to let her know he understood.

"Mark and I will begin to take the presents out to the car." he said, switching the subject. Addison nodded and went over to sit down by two of her youngest nieces, who were coloring while the older girls helped clean up.

"What are you coloring?" she asked 5 year old Sarah and 3 year old Raine.

"Unicorns." they both said in unison.

"Aunt Addie, are you SUUUUUUUUURRRRRRRRRRREEEEEEEEEEEE you are having boys?!" Sarah asked emphatically. "Girls would be WAAAAAAAAY better than stinky boys!"

"I am very sure they are boys." Addison responded, trying not to laugh.

"How are you sure?" Raine asked skeptically.

"There is a special machine we use to see them." Addison answered.

"That's called an ultrasound machine." Sarah piped in. "Mommy uses one of those at her work."

"That's right, Sarah." Addison smiled at the little girl who already looked so much like her mother.

"Can Mommy use the machine on you, Aunt Addie, so I can see the babies. Just to make sure they are boys?" Raine asked excitedly as she climbed into Addison's lap. Addison wasn't quite sure what to say to that.

"Oh, that is a GREAT idea!" 12 year old Lily exclaimed as she joined the conversation. "Mom, can you? Please!" she continued turning to her mom.

"Well, girls, I don't exactly have privileges here." Nancy said, glancing over at Addison.

"That shouldn't be a problem. Addison is the Chief's favorite. I am sure he wouldn't mind." Callie said. Soon ever 14 year old Cassie was even getting excited about the idea.

Thirty minutes later, Carolyn, Nancy, the 4 girls, Addison, and Derek were crowding into an exam room. Addison lifted her shirt up so Nancy could place the gel on her stomach. Soon the images of the boys were on the screen. They were big enough now that you couldn't see both of them at once.

"These are their arms and legs." Nancy was explaining to her young daughters as she moved the want around. "And this right here is how we know it's a boy. This is a penis." Addison glanced over at her nieces and saw Raine's eyes kept getting bigger and bigger.

"Are you ok, Raine?" she asked her, concerned.

"Aunt Addie, you and mommy are wrong. Those aren't boys. Those are aliens!" she exclaimed. All of the adults started to laugh. They knew there would be no convincing Raine of anything else until the boys were actually born.

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Next time will be lunch with Addison's family! Let me know what you think!