So yesterday we posted some footage of the Fray crew pranking the Meese boys and vice versa. Seems this sort of tomfoolery is rite of passage on tour. Who knew? Evidently, while they were on the road with Katy Perry in Europe, the members of the boy band known as 3OH!3 helped themselves to one of Perry's leotards and then danced around on stage with it. Perry was reportedly none too stoked. From the looks of it, though, she must not be harboring a grudge. At least that's what we gather from the video posted after the jump in which the pop temptress duets with the "nasty boys from Warped Tour 2008" on a special rendition of "Starstrukk." See the clip, filmed last night at the Hammerstein Ballroom in New York, after the jump.