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