Not to be outdone by Jennifer Lopez's reign of nip-slip terror, Katy Perry and her 32DDs set off some major fireworks by slipping just the slightest hint of nip on stage.

Never mind the fact that she looks like she's about to deep-throat a gay pride flag, look deep into Katy's cleavage (like we need to twist your arm) and you'll see a pink patch of areola peeking out from the left side of her shirt. Now that's a part of Katy worth beating your meat to:







See more sexy pics and clips of pop tart Katy Perry right here at MrSkin.com!