Guest Stars Miranda Cosgrove as Herself Adam Sandler as Himself Jerry Trainor as Himself Selena Gomez as Herself Victoria Justice as Herself Jennette McCurdy as Herself Ariana Grande as Herself Nick Cannon as Himself Jaden Smith as Himself Dwayne Johnson as Himself Jessica Alba as Herself Kaley Cuoco as Herself Kevin Hart as Himself Leon Thomas as Himself Steve Carell as Himself Rico Rodriguez as Himself Kendall Schmidt as Himself James Maslow as Himself Carlos PenaVega as Himself Avan Jogia as Himself Cory Monteith as Himself Matt Bennett as Himself Daniella Monet as Herself Logan Henderson as Himself Ashley Tisdale as Herself Johnny Depp as Himself Sandra Bullock as Herself Kristen Stewart as Herself Josh Hutcherson as Himself Megan Fox as Herself Elizabeth Gillies as Herself Katy Perry as Herself LeBron James as Himself Michael Mizanin as Himself Steven Tyler as Himself Sophia Grace Brownlee as Herself Lucas Cruikshank as Himself Rosie McClelland as Herself Melissa Benoist as Herself Lucy Hale as Herself Amanda Seyfried as Herself Kristen Wiig as Herself Amandla Stenberg as Themselves Logan Lerman as Himself Neil Patrick Harris as Himself Alexander Ludwig as Himself Zachary Gordon as Himself Jackson Brundage as Himself Scott Baio as Himself Christina Aguilera as Herself (Performer) Darren Criss as Himself Stacy Ferguson as Herself Willow Shields as Herself Danica Patrick as Herself Ryan Newman as Herself Kesha as Herself (Performer) Gabby Douglas as Herself Dwight Howard as Himself Bailey Michelle Brown as Herself Pitbull as Himself (Performer)