The feud between Katy Perry and Taylor Swift might be one of the most unexpected celebrity beefs in history, as not only do they both seem to be friendly gals, on the surface they have so much in common:
They're both driven, ambitious women at the top of the same field, and they both dated John Mayer...Okay, we're beginning to understand why they might no get along.
Anyway, after Taylor basically said that "Bad Blood" was written about Katy in a recent Rolling Stone interview, Perry got pissed. Super pissed.
She fired off a tweet comparing Taylor to Regina George (the cat fight equivalent of when politicians call each other Nazis), and now we have further confirmation that Katy is fuming from one of the backup dancers who was allegedly caught in the middle of the feud: