Mega Mash (Jason Mraz Vs. Green Day Vs.

Black Eyed Peas Vs. Owl City Vs. Maroon 5 Vs. Akon Vs. A-Ha Vs. Flo Rida Vs. Fall Out Boy Vs. Daft Punk Vs. Kelly Clarkson Vs. My Chemical Romance Vs. B.o.b. Vs. Mika Vs. The Killers)