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