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