Katy Perry is looking for aspiring dancers who want to appear in her "Swish Swish" music video! The pop music star is holding a dance contest to find the right performer. Perry partnered with DanceOn to launch the #SwishSwishChallenge. She is asking hopefuls to show off their moves in a video and post it online. In a youtube video posted Wednesday, Perry explained, "All you have to do is put together some fun, funny, weird, great choreography? and I will pick my favorite dancer to be in the music video with me!"