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