To be honest even though she's famous for having tons of boyfriends fairly frequently, and then turning around and writing a song about them, her songs are actually good and she has a lot of talent.
I know she's a serial dater and the fact she creates so much drama around it is incredibly annoying, but I try not to judge other people concerning their romantic and sexual lives because for all we know she genuinely loved these men who've screwed her over and she's just looking for love.
That said, she also might be a **** who's just playing around with men. In any case, she's the one making millions of dollars, not me