Special Guest Stars Avril Lavigne as Herself The Wanted as Themselves Christina Grimmie as Herself Guest Stars Val Chmerkovskiy as Himself Mark Ballas as Himself Karina Smirnoff as Herself Sharna Burgess as Herself Gleb Savchenko as Himself Derek Hough as Himself Zendaya as Herself Kellie Pickler as Herself Aly Raisman as Herself Jacoby Jones as Himself Ingo Rademacher as Himself Kym Herjavec as Herself (Kym Johnson)