Disclaimer: I do not own any part of Grey's Anatomy

A/N:So this fanfic is set at prom. What happens after things went down a little differently between Derek and Meredith. What happens when Addison still ends up finding the panties in Derek's jacket but reacts differently?

I don't know how long this story will be but I don't plan on it being that long. It will be a Meredith/Addison story but there will be slight other pairings along the way. Meredith/Addison has always been that once ship that is so unrealistic on the show that it seems like it could have been possible.

Let's get into this shall we?

Meredith's POV: Prom Night

What am I doing? I am currently in an exam room alone with Derek and ever since he said the word wife I can't get her out of my head. The weirdest part of it all is that I don't feel guilty about it. Oh god now he's taking my panties off. I have been waiting for this to happen ever since he picked her and now I don't even want this. "Derek stop."

"Stop what?"

"This. You and me. It cannot happen." Why am I saying this. This is all I have wanted, but not anymore.

"Why?"

"Because you have a wife and I have Finn and in case you forgot Finn has plans." But do I even want to experience his plans let alone know what they are?

"I will leave Addison and you can leave Finn. I love you Meredith. I always have ever since I met you at Joe's."

"No Derek. I won't let you ruin Addison because of me." I cannot believe I heard those three words come out of his mouth and why aren't I happier to hear them? "I um.. Have to go Derek. Let's just forget what almost happened here." I don't understand myself and why I walked… no ran out of that room. Away from Derek. I heard him tell me not to go right before I walked out of the room. I took me until now that I'm back out with everyone to realize I don't have my panties on- what the hell am I going to do? I can't just go up to him and ask for them back. And that is if he even has them. They could still be in that exam room somewhere and so could Derek. I have to get out of here before anything else happens to me.

Addison's POV: Morning After Prom

After Derek came home last night I could tell something was different with him. The way he just came home changed and said he was going back to the hospital. So I decided to be nice and wash what he wore last night to prom. What I found in the pocket of his jacket broke my heart- but not because of the fact that Derek cheated on me at the prom- it's more about who they belong to. I don't know why but the idea of his hands all over Meredith's makes me shudder.

Every once in awhile I get these thoughts about Meredith. I don't know what to do about them. I get a feeling i never felt before when I am around her and I can't help but wonder if she feels the same sometimes.

I know what will happen if I confront Derek. He will just brush me off. So I have to go to the hospital, find Meredith, and confront her myself. Before I know it I am standing outside the hospital nervous as to what may happen.

After searching the hospital I can't seem to find her. So i do what I probably should have done in the beginning, go to my office and page her. I see her nervously walking towards my office and I can already tell what is going to happen.

"You paged Dr. Montgomery-Shepherd."

"Yes Meredith I did. Why don't you have a seat, you will probably want to."

"Is this about -"

I pull out her panties that are in a clear bag out of my bag and place it on the table."If you are about to ask about these then yes. I would like to know why these were in my husband's jacket and why he only came home for a minute last night." I can see the look on her face and can tell that something is off.

"Well Addison do you want the whole truth or do you want what you want to hear?"

Honestly I don't know what i want to hear. "Truth."

"Okay well last night when I was dancing with Finn and you were dancing with Derek he wouldn't stop looking at me. I needed to get away and that's exactly what I did. Except he followed me and cornered me in the exam room. I told him to leave me alone and all he could say was my name. But the conversation went a little like this I said 'Just leave me alone.' and then he said' I just wanted to make sure you're alright.' And then I said 'No I am not alright. Okay? Are you satisfied? I'm not alright because you have a wife and you call me a whore-"

I cannot believe what I just heard. "Wait he called you a whore? Him. The one who forgot to mention that he had a wife on the other side of the country?"

"Yes but let me finish then we can talk about it. So I continued '- and our dog died and now you're looking at me. Stop looking at me.' And then he went on to say 'I'm not looking at you.' It basically went back and forth for a while and he went on to say how he doesn't want to look at me because he has you and he has responsibilities. And then I turned around."

"Do I need to know this part?" I really hope she skips over details I don't need to know the specifics of my husband and the person I have feelings for having sex.

"It's not bad trust me. Well once I turned around the next thing I know we are kissing. But when this is happening there's something- more like someone- on my mind."

"Who, Finn?"

"No. But then he reaches down and takes this off."

I look to where she is pointing and I am really starting to doubt whether or not I want to hear this.

"Once he takes this off I realize the mistake we were making and I pulled away and told him to stop.I tried to reason with him and explain how I couldn't hurt you anymore than I already have and I ran away from the room and back out where everyone was. And I am assuming he grabbed this and put it in his jacket. I'm so sorry Addison."

"What did you mean by you couldn't hurt me anymore than you already have?" I can hear my heart start to beat faster with the hope that Meredith feels the same way.

"Well you know how I said there was someone on my mind and it wasn't Derek or Finn?"

I just sit there silent and nod my head.

"It was you. I couldn't get you out of my head and I haven't been able to since. Ever since you showed up whenever I am around you I get this feeling. I don't know how to describe this feeling but I know it's not bad. I don't know what it means or anything but what I do know is that I am starting to ramble and you should probably shut me up because I probably sound really stupid right now."

"Meredith you don't sound stupid because I have been feeling the same exact way with the same exact feelings."

"So what does this mean?"

That is a great question and I don't know if what I am about to say will blow up in my face if she rejects me"Well Derek is clearly in love with you and I now plan on getting a divorce with him. It means you have a choice to make. Him or me. I know it may seem really fast I know but Meredith I think I love you. If you choose me we can go to L.A. and find jobs at another hospital. We don't have to tell people the real reason why we are leaving. We can say we both needed to get away from Derek and it's something that is completely believable."

"Okay."

"Okay what?"

"I choose you. You can go get papers drawn up for you and Derek and I can do a couple things I need to do before we go talk to the chief."

I cannot believe what I am hearing. She is actually choosing me over Derek. Me who was the person who came in and swooped Derek away from their happy bubble. All I do know is that I need to get the papers drawn fast and get packing.

A/N: I took the little speech that Derek said to Meredith at the end of the episode when he tells her to pick between him and Finn and changed it up a bit. I honestly just sat down today and got inspired to write this story. Let me know what you think of it and leave a review.