Special Guest Stars Billy Porter as Himself (Guest Judge) Guest Stars Val Chmerkovskiy as Himself Peta Murgatroyd as Herself Sasha Farber as Himself Artem Chigvintsev as Himself Daniella Karagach Pashkova as Herself (Daniella Karagach) Pasha Pashkov as Himself Alyson Hannigan as Herself Ariana Madix as Herself Xochitl Gomez as Herself Jason Mraz as Himself Charity Lawson as Herself Rylee Arnold as Herself Harry Jowsey as Himself Barry Williams as Himself