Guest Stars Adam Sandler as Himself Jessica Alba as Herself Steve Carell as Himself Chris Evans as Himself Jesse McCartney as Himself Drake Bell as Himself Emma Roberts as Herself Queen Latifah as Herself George Lopez as Himself Paula Abdul as Herself Ryan Seacrest as Himself Zac Efron as Himself Shia LaBeouf as Himself Nelly as Himself Ryan Sheckler as Himself Hilary Duff as Herself Hayden Panettiere as Herself Will Ferrell as Himself Kenan Thompson as Himself Tyler James Williams as Himself Jack Black as Himself Orlando Bloom as Himself Jackie Chan as Himself Ben Stiller as Himself Jamie Lynn Spears as Herself Nat Wolff as Himself Randy Jackson as Himself Jon Heder as Himself Chris Brown as Himself Dakota Fanning as Herself Vince Vaughn as Himself Masi Oka as Himself Tobey Maguire as Himself Gwen Stefani as Herself (Performer) Nicole Kidman as Herself Mandy Moore as Herself Ice Cube as Himself Ciara as Herself Bindi Irwin as Herself Maroon 5 as Themselves (Performer) Chris Tucker as Himself Ty Pennington as Himself Alex Wolff as Himself Akon as Himself (Performer) Taboo as Himself apl.de.ap as Himself Ron Jones as Himself