Guest Stars Adam Sandler as Himself Jace Norman as Himself Josh Peck as Himself Chris Rock as Himself JoJo Siwa as Herself Jennette McCurdy as Herself Nick Cannon as Himself Zendaya as Herself Jack Griffo as Himself Kira Kosarin as Herself Kaley Cuoco as Herself Riele West Downs as Herself Rico Rodriguez as Himself Camila Cabello as Herself Ally Brooke as Herself Chris Pratt as Himself Sarah Hyland as Herself Grant Gustin as Himself Debby Ryan as Herself Ella Anderson as Herself Benjamin Flores Jr. as Himself Josh Gad as Himself Sean Ryan Fox as Himself Lauren Jauregui as Herself Breanna Yde as Herself Dinah Jane Hansen as Herself Shawn Mendes as Himself Nia Sioux Frazier as Herself Joe Jonas as Himself Bethany Mota as Herself Maddie Ziegler as Herself Normani as Herself Emma Stone as Herself Tom Kenny as Himself Bill Fagerbakke as Himself Chloe Bennet as Herself Addison Riecke as Herself Kalani Hilliker as Herself Mackenzie Ziegler as Herself Ariel Winter as Herself Ross Lynch as Himself Laura Marano as Herself Tia Mowry as Herself (Tia Mowry-Hardrict) Nolan Gould as Himself Meghan Trainor as Herself Diego Velazquez as Himself Kevin James as Paul Blart Sydney Park as Herself Angelina Jolie as Herself Jamie Foxx as Himself Kathrine Herzer as Herself Calum Worthy as Himself Jennifer Hudson as Herself (Performer) Raini Rodriguez as Herself Jesse Tyler Ferguson as Himself Jennifer Lopez as Herself 5 Seconds of Summer as Themselves (Performer) Liam Hemsworth as Himself Iggy Azalea as Herself (Performer) Abby Lee Miller as Herself Al Roker as Himself Echosmith as Themselves Mo'ne Davis as Herself Terrell Owens as Himself Skylar Diggins as Herself