Ryan Seacrest

Character: Self

Christina Aguilera

Character: Self

Lindsay Arnold

Character: Self

Sabrina Carpenter

Character: Self

Witney Carson

Character: Self

Val Chmerkovskiy

Character: Self

Merle Dandridge

Character: Self

Billy Eichner

Character: Self

Josh Gad

Character: Self

Donald Glover

Character: Self

Halsey

Character: Self

Heather Headley

Character: Self

Derek Hough

Character: Self

Julianne Hough

Character: Self

Jennifer Hudson

Character: Self

Adam Jacobs

Character: Self

Lang Lang

Character: Self

John Legend

Character: Self

Caissie Levy

Character: Self

Kara Lindsay

Character: Self

Kevin Massey

Character: Self

Idina Menzel

Character: Self

Miguel

Character: Self

Keke Palmer

Character: Self

Ben Platt

Character: Self

Seth Rogen

Character: Self

Anika Noni Rose

Character: Self

Shakira

Character: Self

Emma Slater

Character: Self

Josh Strickland

Character: Self

Rebel Wilson

Character: Self

JD McCrary

Character: Self

Chris Harrison

Character: Self

Jimmy Kimmel

Character: Self

Michael Strahan

Character: Self

Michael Eaves

Character: Self

Edward James Olmos

Character: Self

Gordon Ramsay

Character: Self

Katie Stevens

Character: Self

Nathan Fillion

Character: Self

Jason Schwartzman

Character: Self

Morgan Freeman

Character: Self

RZA

Character: Self

Lionel Richie

Character: Self

Robin Roberts

Character: Self

Dan Orlovsky

Character: Self

Chloe Bailey

Character: Self

Halle Bailey

Character: Self

Tituss Burgess

Character: Self

Bill Barretta

Character: The Muppets Puppeteer

Dave Goelz

Character: The Muppets Puppeteer

David Rudman

Character: The Muppets Puppeteer

Eric Jacobson

Character: The Muppets Puppeteer

Jack Vogel

Character: The Muppets Puppeteer

Matt Vogel

Character: The Muppets Puppeteer

Peter Linz

Character: The Muppets Puppeteer

Katy Perry

Character: Self

Jenna Johnson

Character: Self