Guest Stars Heidi Klum as Herself Jace Norman as Himself Nick Cannon as Himself Jaden Smith as Himself Zendaya as Herself Dwayne Johnson as Himself Kira Kosarin as Herself Jack Griffo as Himself Kel Mitchell as Himself Camila Cabello as Herself Kristen Bell as Herself Millie Bobby Brown as Herself Candace Cameron Bure as Herself Lizzy Greene as Herself Grant Gustin as Himself Marsai Martin as Herself Shawn Mendes as Himself Caleb McLaughlin as Himself Liza Koshy as Herself Yara Shahidi as Herself Daniella Perkins as Herself Lilimar Hernandez as Herself Sadie Sink as Herself Owen Joyner as Himself Darci Lynne as Herself Jordan Banjo as Himself Perri Kiely as Himself Hailee Steinfeld as Herself Omar Benson Miller as Himself Kat Graham as Herself Storm Reid as Herself Josh Brener as Himself Brandon Mychal Smith as Himself Mel B as Herself Channing Tatum as Himself Ben Schwartz as Himself Patrick Schwarzenegger as Himself Lauren Riihimaki as Herself Laurie Hernandez as Herself JoJo Siwa as Herself (Performer) Ashley Banjo as Himself N.E.R.D. as Themselves (Performer) Chloe Kim as Herself Marshmello as Himself Alex Wassabi as Himself Russell Horning as Himself