Special Guest Stars Hayley Erbert Hough as Herself (Hayley Erbert) Michael Bublé as Himself (Guest Judge) Guest Stars Val Chmerkovskiy as Himself Mark Ballas as Himself Artem Chigvintsev as Himself Witney Carson as Herself Gleb Savchenko as Himself Emma Slater as Herself Brandon Armstrong as Himself Charli D'Amelio as Herself Trevor Donovan as Himself Wayne Brady as Himself Britt Stewart as Herself Daniel Nicholas Durant as Himself Alan Bersten as Himself Gabby Windey as Herself D.J. Pierce as Himself (Shangela) Koko Iwasaki as Herself Vinny Guadagnino as Himself Heidi D'Amelio as Herself Jordin Sparks as Herself Jessie James Decker as Herself