If you thought Ellen DeGeneres as Snooki's poof harnessed the power of two pop culture franchises, then you've got a rolling blackout coming your way.

"Jersey Shore's" DJ Pauly Delvecchio showed up on Halloween at the Palms Casino in Las Vegas dressed as the "pretty powerful" teen dream himself, Justin Bieber. 

Check out the full photo at Zap2it! http://bit.ly/9Z494c