(Author's note. I need to thank my friend Sarah, a.k.a xXc0okieSsNcrEamXx, for helping me and giving me some ideas. )

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(Lexie comes into hospital in the dress she was wearing for the big dinner.)

Bailey: What is wrong with you? One you look like hell and two you're not even on call. Go home to your baby daddy.

Lexie: I'm so sorry I just can't. He proposed and I said no because I thought the baby was Alex's but it's not, it's Mark's.

(Lexie goes to hug Bailey.)

Bailey: You can hug me as much as you want, but all this crying isn't good for the baby. Go to bed. Do you hear me?

(Lexie nods.)

Bailey: Okay. I got to see a patient.

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(Lexie walks to the resident lounge to see if Alex is there. He is.)

Lexie: It's not yours. I found that out about thirty seconds after being dumped by the guy of my dreams.

Alex: What do you mean?

Lexie: I mean that old bat Maureen mixed up the results. The baby is not yours.

(At that moment Izzie is just about to tell Alex when she hears the two of them talking.)

Alex: I'm sorry. I really am.

Lexie: I have to go home. Crying isn't going to help anybody.

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(Mark is at Joe's bar. It's clear he's drunk more that he's should have. An attractive woman comes over.)

Woman: Hey there. Can I buy you a drink?

Mark: Why not, right. (Chuckles)

Woman: My name's Rebecca.

Mark: I'm Mark.

Rebecca: Can I interest you in a game of darts?

Mark: That probably wouldn't be wise in my drunken state.

Rebecca: I guess you're right. But I can think of one thing that's even better when you're drunk

Mark: No thank you, Rebecca. You can leave.

Rebecca: Alright, Mark, but if you want the offer still stands.

Mark: Okay.

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Scene: The Dress Store. Everyone's there: Meredith, Izzie, Christina, and Callie

(Lexie walks in)

Meredith: You're late.

Lexie: I'm so sorry. I had a bad night.

Meredith: That's okay.

(Lexie walks over and sits next to Callie.)

Callie: I thought you went to dinner with Mark yesterday. He couldn't stop talking about it. The whole cake thing and… Wait where's the ring?

Lexie: We broke up.

Callie: What do you mean you broke up?

Lexie: He asked and then we had a fight and he left. (She begins crying once again.) God, why am I so hormonal? I'm crying every five seconds these days.

Christina; It's simple three you're pregnant. Doesn't take a genius to figure that out.

(She continues to cry and all of the woman surround her.)

Meredith: What's wrong with her Callie?

Callie: Her and Mark broke up.

Christina: Breaking up with a pregnant woman? Sounds a lot like Burke.

Meredith: Why would he do that? Derek said he was going to propose. I don't get it.

Izzie: It's because she slept with Alex.

Christina: Alex slept with you when you're this fat. His standards are low these days.

(Izzie gives her a dirty look.)

Christina: Oh sorry. I forgot. Oh, I guess you're pretty pissed off.

Izzie: Yeah, pretty much. Not to mention he's the father of my child.

Meredith, Christina, and Callie: (In unison) Congratulations!

Lexie: I didn't know.

Izzie: I just found out. That was why I was at the clinic.

Meredith: Wait… is the baby Alex's?

(Lexie doesn't say anything.)

Callie: Is it Lexie?

Lexie: No, it's Mark's. But I thought it was Alex's so I told him and everything went wrong.

Izzie: Do you think you get away with sleeping with my boyfriend just by crying?

Lexie: What do you want from me?

(Izzie jumps on her and pulls her hair. They begin a wrestling fight. But ultimately Lexie wins and is able to overpower her with her weight.)

Lexie: Listen I truly am sorry. It was a one time thing. I don't think Alex ever really wanted the baby to be his. He'll be happy you're pregnant and that's that.

(Lexie puts her hand on her stomach. She shows visible signs of pain.)

Lexie: Guys I think I'm losing the baby. Help me. Please.

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Mark: Kravev, who do you think you are?

Alex: What do you mean?

Mark: You know what I mean. You slept with Lexie.

Alex: It's not like she didn't want to.

(Mark punches Alex. Alex punches back. But it's Alex who causes Mark to fall on the floor.)

(At that moment Lexie comes in on a stretcher. Alex helps Mark up from the floor.)

Mark: What happened to her?

Callie: We were at the dress shop and she starting feeling pains and then she passed out on the way here.

Mark: Is she going to be alright?

Meredith: We don't know yet.

Mark: Can I be there? In the operating room?

Callie: I don't think she's like to be that.

Meredith: Why don't you just wait outside. I'll be out every fifteen minutes with updates. (seeing how worried he is she touches his shoulder.) She's going to be alright.

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Scene: Mark is in the waiting room.

Meredith: There was a lot of bleeding but the doctor stitched her up and we still don't know if she's going to loose the baby or not.

Mark: Is that it?

Meredith: Yeah. I have to go back now. Just wait fifteen more minutes.

(Derek goes to sit next to Mark.)

Derek: She's going to be alright.

Mark: Do you want to know what happened last night?

Derek: What happened?

Mark: She told me the baby wasn't mine and I broke up with her. What if the last word I ever say to her are 'I'm leaving.'? I love her Derek.

Derek: I know you do.

(Mark finally lets go and starts to cry.)

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Meredith: We saved the baby and her. It was touch and go for awhile but the surgeon was able to fix everything.

Derek: How did this happen?

Meredith: Her and Izzie got into a fight and all the stress from the break up probably didn't help either.

Mark: She's going to be alright?

Meredith: She's going to be perfectly fine. And I'm not sure if she'd want me to tell you, but the baby's yours. The test results were switched and the baby's yours.

Mark: Really?

Meredith: Really?

Mark: When can I see her?

Meredith: As soon as she gets out of surgery and wakes up. It'll probably be about an hour.

Mark: Thank you.

Meredith: No problem.

(Derek hugs Mark. Everything is alright.)

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Scene: Mark is waiting by Lexie's side. (She wakes up and is glad to see him.)

Lexie: Mark, is that you?

Mark: Yeah.

Lexie: About last night I'm really sorry. I'm sorry about everything.

Mark: Ssshhh. Get some rest. You need it.

Lexie: Alright.

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(When Lexie wakes up aagaina bout three hours later Mark is still at her side. He hasn't gotten up once.)

Lexie: I'm so happy you stayed.

Mark: I wouldn't be anywhere else in the world.

Lexie: I almost lost our baby.

Mark: I know. I know. It's okay.

Lexie: Do you think you could ever forgive me for everything I did?

Mark: I already have. Can you forgive me for the way I acted?

Lexie: In a heartbeat.

Mark: (Gets on one knee.) Then Little Grey, would you do me the honor of being my wife?

Lexie: Of course.

(The two begin to kiss.)

THE END

Thank you so much for reading!