Guest Stars Miranda Cosgrove as Herself Heidi Klum as Herself Jace Norman as Himself Nick Cannon as Himself JoJo Siwa as Herself Zendaya as Herself Kira Kosarin as Herself Dove Cameron as Herself Jack Griffo as Himself Kel Mitchell as Himself Kevin Hart as Himself Riele West Downs as Herself Ally Brooke as Herself Chris Pratt as Himself Marsai Martin as Herself Benjamin Flores Jr. as Himself Ellen DeGeneres as Herself Nikki Garcia as Herself (Nikki Bella) Chris Pine as Himself Cooper Barnes as Himself Candace Cameron Bure as Herself Lizzy Greene as Herself Breanna Yde as Herself Ella Anderson as Herself Lauren Jauregui as Herself Normani as Herself Michael D. Cohen as Himself Sean Ryan Fox as Himself Maddie Ziegler as Herself Dinah Jane Hansen as Herself Bethany Mota as Herself Zoe Saldana as Herself John Stamos as Himself Andrea Barber as Herself Gal Gadot as Herself Jodie Sweetin as Herself Isabela Merced as Herself (Isabela Moner) Cree Cicchino as Herself Soni Nicole Bringas as Herself Scott Weinger as Himself Nat Wolff as Himself Casey Simpson as Himself Madisyn Shipman as Herself Mace Coronel as Himself Michael Campion as Himself Elias Harger as Himself Perri Kiely as Himself Jordan Banjo as Himself John Brotherton as Himself Miles Brown as Himself Jade Pettyjohn as Herself Ricardo Hurtado as Himself Camila Cabello as Herself (Performer) Adam Hagenbuch as Himself Demi Lovato as Themselves Gwen Stefani as Herself Jeffrey Nicholas-Brown as Himself Dave Coulier as Himself Olly Murs as Himself Ashley Liao as Herself Juan Pablo Di Pace as Himself Lance Lim as Himself Noah Cyrus as Herself Little Mix as Themselves (Performer) Aidan Miner as Himself DJ Khaled as Himself Big Sean as Himself Machine Gun Kelly as Himself (Performer)