Not getting along with a sister- help!!

[crissy1]

I'm having a problem with one of my sisters in my chapter. She has been an active for about two years now. Her first year as an active, she was never really involved, she didn't go to chapter, and was often on probation for missing mandatory events, so she didn't really have the opportunity to form relationships with a lot of sisters. I, on the other hand, have spent a bit of time with her because we are the same major and share many classes. We are VERY different people, which has never been a problem for me, but I've always felt somewhat uneasy around her. I try and be polite, but I think it probably comes off fake because to be honest, I'm a little afraid of her. She has been known to be fairly vindictive when things don't go her way (like de-friending girls on facebook for not inviting her to things or for "taking" the girl she wanted to be her little).

Anyway, this year she has tried to make a comeback and is suddenly involved in things, which is great. When we found out our "little sisters", I apparently got the girl that she wanted, and I think she's holding it against me. She seems to have made it her mission to leave me out of things. At first I thought that I was making it up in my head, but several sisters have told me that she talks to people about how she dislikes me. I have never been good at "girl drama" because I grew up in a house of all boys, so I tried to ask her about it and she just said, "no I have no problem with you. I'm sorry if you feel left out, but I guess I just forget to invite you to things". But its obvious thats not what is going on.

I'm trying to just ignore it and not be catty, but its really starting to wear on me. Its gotten to the point where I dont have fun at events she shows up at because I feel uncomfortable. At our date party, she went so out of her way to ignore me and make it obvious (she would come up and hug whoever I was talking to and not look at me) that my boyfriend was like, "who's the bitch who clearly hates you?" I don't want to go tattling on her, but I don't want to feel uncomfortable at events anymore. I know I'm not the only one who has problems with her (she sent our social chair an email telling her that she was doing a terrible job, and she told several of our New Members that they dressed slutty and that was not how we held ourselves).

I'm so sorry if this sounds bratty, or to bring my silly problems to this board, but I'm not really sure how to handle this situation and I wanted to bring it to other "greeks" for advice. Please help if you have anything constructive to say!! Thanks!