Guest Stars Miranda Cosgrove as Herself Heidi Klum as Herself Nathan Kress as Himself Jerry Trainor as Himself Robert Downey Jr. as Himself (Robert Downey, Jr.) JoJo Siwa as Herself Dove Cameron as Herself Joshua Bassett as Himself Millie Bobby Brown as Herself Sofía Vergara as Herself Marsai Martin as Herself Terry Crews as Himself BTS as Themselves Jules LeBlanc as Herself Liza Koshy as Herself Charli D'Amelio as Herself Alaya High as Herself (That Girl Lay Lay) Dixie D'Amelio as Herself David Dobrik as Himself Anthony Anderson as Himself Yara Shahidi as Herself Kim Kardashian as Herself Gal Gadot as Herself Noah Schnapp as Himself Justin Bieber as Himself (Performer) Gabrielle Nevaeh Green as Herself Finn Wolfhard as Himself Jayden Bartels as Herself Dylan Gilmer as Himself Darci Lynne as Herself Iain Armitage as Himself Tyler Perry as Himself Tiffany Haddish as Herself Jennifer Garner as Herself Anna Kendrick as Herself Gaten Matarazzo as Himself Lin-Manuel Miranda as Himself Dannah Lane as Herself Kamala Harris as Herself Hailey Bieber as Herself Addison Rae as Herself Dani Lane as Herself Quavo as Himself (Performer)