Recently I went to my ex boyfriend's graduation. I not only went to see him but I also went to see some of my other guy friends that I knew would be graduating as well.
I was sitting down enjoying the ceremony when my ex's current girlfriend walked in and took a seat in front of me and my sister. I completetly ignored her, despite her staring at me now and again. She was also whispering things to her mother and her mother kept staring in my direction and was constantly laughing. So, it was therefore obvious that she and her mother were talking about me.
To prove my point also my sister overheard her mother say, "Maybe he prefers the first or the last".
When it was my ex's time to make the valedictory speech, I was listening keenly to him and everything and when he mentioned something funny, I laughed along with the audience. When she heard me laughing she directly turned around to stare at me but I continued to avoid her. She was telling her mother that she didn't see what was funny and her mother told her that she if she was listening she would have heard.

Why do u think she keeps on talking about me? After all,I'm not with my ex anymore so what's her problem? Isn't she supposed to be happy she's with him? Do u think she could be jealous of me or feels insecure towards me? Im confused...

She sounds like one of those snobby stuck up kind of girls. She is probably just super intimidated by you. But there's also the fact that she was probably jealous that you dated her man before she did, and you showed up at the graduation ceremony. She might be a little bit insecure about her relationship and it wouldn't surprise me one bit. Just don't let her get to you. Ignore her, and try not seeing your ex anymore, unless you want to see him as just friends.

JELOUSY

Be the bigger more mature and sophisticated girl you probably already are and ignore her. She is obviously Extremely jelous of you and totally imature. Let her be that way and don't sink down to her level be reacting to her.

I think she is jealous and insecure. Not your problem. Let the two of them deal with it.

Its just an ex

She's intimidated, she just thinks you came back to try to get him back probably