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