So my friend has been acting weird for a while now. She's been really flirty, sending underwear pics and wanting to spend time with me alone and shit. Basic flirting I guess, but I'm not sure I return the affection or whatever. I find her really attractive, but I've gotten to know her as a friend first and foremost, and this sort of just came out of nowhere. We weren't even that close friends tbh.

Anyway, she kind of caught me on the spot every time she would up and send bra pics, or kissy faces or ask to be alone with me or whatever, so I didn't really flirt back, despite the fact I did enjoy the attention. Anyway, things weren't awkward, but she sort of hung out less around me and my friends.

I had a little party of sorts a few days back, and a mutual friend invited her to go. She was skeptical, saying I had "trust issues around her" and that I seemed to dislike her and shit. Completely false btw. She also made small, fairly subtle comments about that I'm unattractive, a week or so after she told me she thought I was hot. 

AITA for being confused/annoyed that she's going around talking about trust issues, saying I seem to dislike her, and calling me unattractive, presumably because I didn't respond properly when she started flirting heavily with me?