Guest Stars Miranda Cosgrove as Herself Nathan Kress as Himself Jerry Trainor as Himself Josh Peck as Himself Victoria Justice as Herself Jennette McCurdy as Herself Keke Palmer as Herself Chris Rock as Himself Jesse McCartney as Himself John Cena as Himself Chris Pine as Himself Queen Latifah as Herself Miley Cyrus as Herself Zac Efron as Himself Amy Poehler as Herself Emma Roberts as Herself America Ferrera as Herself Cameron Diaz as Herself Taylor Lautner as Himself Shia LaBeouf as Himself George Lopez as Himself Paula Abdul as Herself Megan Fox as Herself Ashley Tisdale as Herself Hugh Jackman as Himself Lily Collins as Herself Ben Stiller as Himself Jack Black as Himself Sandra Bullock as Herself Ashley Argota as Herself Marlon Wayans as Himself Matt Shively as Himself Will Ferrell as Himself Chace Crawford as Himself Vanessa Hudgens as Herself Owen Wilson as Himself Leonardo DiCaprio as Himself Corbin Bleu as Himself Rob Feggans as Himself (Performer) Jonas Brothers as Themselves (Performer) The Pussycat Dolls as Themselves (Performer) Fred Roggin as Himself David Archuleta as Himself