Skrillex

Justin Bieber, Skrillex and Diplo just dropped a totally sick remix of Bieber's song "Where Are U Now." Listen here.

Diverse acts such as Eminem, Kings of Leon and Skrillex are set to headline the upcoming Lollapalooza music festival. Though the official lineup won't be announced until next week, sources have confirmed that the three acts (all Lollapalooza vets) will once again take the stage.

In a new Collegehumor.com original, we discover what Back to the Future would have sounded like if Marty McFly had come from 2012 to bring a Skrillex to the Enchanted Under the Sea Dance.  Yikers.