Guest Stars Adam Sandler as Himself Heidi Klum as Herself Jace Norman as Himself Selena Gomez as Herself Keke Palmer as Herself Robert Downey Jr. as Himself (Robert Downey, Jr.) JoJo Siwa as Herself Zendaya as Herself Kira Kosarin as Herself Dove Cameron as Herself Jack Griffo as Himself Chris Evans as Himself Rico Rodriguez as Himself Kel Mitchell as Himself Camila Cabello as Herself Ally Brooke as Herself Amy Poehler as Herself Grant Gustin as Himself Sarah Hyland as Herself Ellen DeGeneres as Herself Debby Ryan as Herself Josh Gad as Himself Lizzy Greene as Herself Breanna Yde as Herself Benjamin Flores Jr. as Himself Lauren Jauregui as Herself Nia Sioux Frazier as Herself Normani as Herself Maddie Ziegler as Herself Bethany Mota as Herself Dinah Jane Hansen as Herself Anthony Anderson as Himself John Stamos as Himself Andy Samberg as Himself Will Arnett as Himself Addison Riecke as Herself Chloe Bennet as Herself Casey Simpson as Himself Diego Velazquez as Himself Laura Marano as Herself Jason Sudeikis as Himself Nick Jonas as Himself Mace Coronel as Himself Cree Cicchino as Herself Madisyn Shipman as Herself Pharrell Williams as Himself Meghan Trainor as Herself Mackenzie Ziegler as Herself Kalani Hilliker as Herself Rob Gronkowski as Himself Aidan Gallagher as Himself Brec Bassinger as Herself Rosa Blasi as Herself Adam Levine as Himself Thomas Kuc as Himself Buddy Valastro as Himself Chris Tallman as Himself Cameron Dallas as Himself Kendall Vertes as Herself Wiz Khalifa as Himself (Performer) DNCE as Themselves (Performer) Neel Sethi as Himself Taylor Caniff as Himself Charlie Puth as Himself (Performer)