Special Guest Stars Josh Groban as Himself Icona Pop as Themselves Guest Stars Val Chmerkovskiy as Himself Mark Ballas as Himself Peta Murgatroyd as Herself Gleb Savchenko as Himself Karina Smirnoff as Herself Sharna Burgess as Herself Lindsay Arnold as Herself Derek Hough as Himself Kym Herjavec as Herself (Kym Johnson) Zendaya as Herself Kellie Pickler as Herself Aly Raisman as Herself Jacoby Jones as Himself Ingo Rademacher as Himself Sean Lowe as Himself Andy Dick as Himself Cheryl Burke as Herself Tony Dovolani as Himself Victor Ortiz as Himself D.L. Hughley as Himself Lisa Vanderpump as Herself Wynonna Judd as Herself Tristan MacManus as Himself Dorothy Hamill as Herself
