Guest Stars Derek Hough as Himself Julianne Hough as Herself Hayley Erbert Hough as Herself (Hayley Erbert) Katy Perry as Herself Adam Lambert as Himself Chloe x Halle as Themselves Pink as Herself Kerry Washington as Herself BTS as Themselves Michael Bublé as Himself Ciara as Herself Leslie Odom Jr. as Himself Andrea Bocelli as Himself Ann Sanders as Herself Telly Leung as Himself Austin Colby as Himself Nicholas Ward as Himself Lindiwe Dlamini as Herself Olivia Donaldson as Herself Bongi Duma as Himself Nicholas Edwards as Himself April Holloway as Herself Paul HeeSang Miller as Himself Kyle Mitchel as Himself Nteliseng Nkhela as Herself John Riddle as Himself Aisha Jackson as Herself Caroline Bowman as Herself DCappella as Themselves Adam Perry as Himself Dennis Stowe as Himself Nina Lafarga as Herself Amber Owens as Herself Isabelle McCalla as Herself Tracee Beazer as Herself L. Steven Taylor as Himself Ben Jeffrey as Himself