Trouble with a girl and my best friend.?

I met this girl about a year ago now. We became extremely good friends and I liked her for a long time. My friend also began to like her. My friend and I are the same person basically. We are shy and not good with people. Socially awkward one might say. Anyways we both confronted her one night that we like her. And to our surprise she actually had crushes on both of us. So at this point she wouldnt allow anything to happen because it wouldnt be right to the other person. I was really hurt because I liked her so much. I eventually confronted my friend and told him how I felt and he said he felt the same way and that he wouldnt be comfortable with me dating her. So time went on. I tried to hold her hand and cuddle and stuff and she said no because it wouldnt be right. So I gave up with that. Later on I she finially let me hold her hand. I then decided that I like her enough that I should show it. Thats not generally me. Like I said. I'm shy so I wanted to show I really like her. So I invited her over to tell her face to face that I think shes pretty and exactly how I felt. And she said she could see her dating me the most because we talk the most and stuff. Anyway. I thought thought my friend wasnt as intirtested in her anymore. I eneded up cuddling with her and later making out. SHe has never had a boyfriend so I thought it was really cool that I was the first person she made out with. I asked her out and she said she would have to think about it. Anyyways. Just yesterday. My friend and my other friend (the one who likes her) had us get together because he knew both sides of the story. The story being that of we have both made out with her. This killed me. I didn't think or didnt want to know that my friend made pulled moves on the girl I liked. It hurt me more that this happened like months ago and several times. So I find out I was not the first person she made out with. And also I held back because she said it wouldnt be right to the ohter person. And here I find out she was just doing that will my friend. I just don't know what to think or do. I am mad at her because she didnt tell me that she was doing things with my friend and she only felt bad about it once we actually found out about it. It didnt seem to bother her at all before. I'm sorry if this is too long and a mess. I am just typing what I'm thinking and not looking back at what I'm writing. But I basically havnt talked to her for two days now. SHe wasnt dating any of us so it's not like she was wrong doing. So maybe I shouldnt be mad. But still. This changes the exerpince we had together and also I don;t know if I can be friends with her anymore. First because of this situation and because we vertainly cant go out at this point and I don't know if I can handle being friends with someone I like a lot. I've been dealing with it for a long time now and its hard. Basically what I want to know is should i talk to her? I've just been ignoring her. We talked a little right after I found out. I'm just so mad and I like being her friend so much. She is my best "girl" friend and I am her best guy friend. I don't want that to be ruined but maybe it has too. I just dont know. If you trooped through this thank you for listening.