Oh, It’s On! (Allegedly)

Yesterday we heard Taylor Swift mention that she's in a feud with a former friend and current performer.  And now that alleged "enemy" has outed herself.

Taylor may have another hit on her hands with the upcoming "Bad Blood" single, but Taylor mentioned in an interview over the weekend that it's mostly based on a real-life feud.  While Taylor wouldn't reveal the name of her beef, she did say, "For years, I was never sure if we were friends or not.  She would come up to me at awards shows and say something and walk away, and I would think, 'Are we friends, or did she just give me the harshest insult of my life?"  She added, "She basically tried to sabotage an entire arena tour.  She tried to hire a bunch of people out from under me.  I was like, 'Oh, we're just straight-up enemies.'

Billboard.com offered up some candidates for this beef, including  Miley Cyrus, Demi Lovato and Selena Gomez, but it appears the beef is REALLY against......

BOOM.

Mostly because of this:

And while we don't know if that "Mean Girls" reference is about herself or Taylor, one of Taylor's backup dancers shed some more light on all the shade being thrown; "I was with Taylor for the first six months . . . but then Katy contacted us. We weren't really dancing in Taylor's tour anyway so I had got a little bored and I really wanted to do a promo tour."

The only thing that's clear now is: