Ryan Seacrest

Christina Aguilera

Lindsay Arnold

Alan Bersten

Sabrina Carpenter

Witney Carson

Val Chmerkovskiy

Merle Dandridge

Billy Eichner

Sasha Farber

Josh Gad

Donald Glover

Halsey

Heather Headley

Derek Hough

Julianne Hough

Jennifer Hudson

Adam Jacobs

Lang Lang

John Legend

Caissie Levy

Kara Lindsay

Kevin Massey

Idina Menzel

Miguel

Keke Palmer

Ben Platt

Seth Rogen

Anika Noni Rose

Shakira

Emma Slater

Josh Strickland

Rebel Wilson

JD McCrary

Chris Harrison

Jimmy Kimmel