'Jersey Shore's' Pauly D takes on Justin Bieber for Halloween

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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

He posted a photo on Facebook saying, "Happy Halloween!!! Oooh Yeahh Pauly Bieber Yeahhh!!!!" 

The best part? He forgoes his trademark "blow-out" for Bieber's "whip my hair back and forth" bowl haircut.

Here's a full shot below: