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