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