Donald Faison, Bobby Berk

Season Premiere

Gwen Stefani, Niall Horan

Cody Rigsby

Cedric The Entertainer

Shaquille O'Neal

Reneé Rapp, Derek Fisher

Tori Kelly

Robin Thicke

Kevin Nealon

Alex Rodriguez

Pentatonix

Ms. Pat

Tiffani Thiessen

Taye Diggs

Tyler Cameron & Nick Viall

Carrie Ann Inaba

Derek Hough

Jaime Camil

Chelsea Handler

A'ja Wilson

Chris Hardwick

Halloween Show

Smokey Robinson

Octavia Spencer

Alfonso Ribeiro

Casey Wilson

Deon Cole

Ryan Lochte

John Stamos

Adrienne Bailon-Houghton & Israel Houghton

Gabriel Iglesias, Ariana Madix

Mike and Kyra Epps

Mariah Carey

Jose Andres

Blake Shelton

Lil Rel Howery, Tara Lipinski

Adam Sandler

Eric McCormack

Da'Vine Joy Randolph, Tyla

Henry Winkler

Ellie Goulding, Nick DiGiovanni, Kristoffer Polaha

Winnie Harlow, Dionne Warwick, Damon Elliott

Dove Cameron

Jeannie Mai, Nick Kyrgios

Ayesha Curry

Darius Rucker

Demi Lovato, Ally Brooke, Davido

Matthew McConaughey

'American Fiction' Cast, Melissa Peterman

Tony Shalhoub

The Property Brothers

Janelle Monáe

The Cast of 'The Color Purple'

Jason Momoa

Kumail Nanjiani, Teddy Swims

Tia Mowry

Howie Mandel

Roy Wood Jr., Joshua Weissman

Mario Lopez

Garcelle Beauvais

Jerry O'Connell

Rich Paul, Saint Harison

Molly Sims, Niecy Nash-Betts

Kaley Cuoco

Craig Robinson, Shanola Hampton

Reggie Watts

Lilly Singh

Heidi Klum

Common

Anthony Anderson & Doris Bowman

Paris Hilton & Kathy Hilton, Joel Kim Booster

Mel B

Snoop Dogg

Charlie Wilson

Anthony Hamilton

Joey Graziadei, Harvey Mason Jr., Derek Fisher

D-Nice

Kylie Minogue

Rev Run

Chrissy Teigen

Beth Behrs, David Guetta

Monica, Black Pumas

The Big Game, Babyface

Sarah Silverman

Coco Jones

Gina Torres, Lil Mike

Billy Gardell

will.i.am, Brian & Mika Kleinschmidt

Erin & Ben Napier, Page Turner, Brandy Clark

Egypt Sherrod & Mike Jackson, Sanaa Lathan

Cole & Chelsea DeBoer, Kane Brown

Drew & Jonathan Scott, Dave & Jenny Marrs, Lil Jon

Derek Hough

Karen Pittman

Shemar Moore

Magic Johnson, Nicole Avant

La La Anthony, Nichelle Lewis

Tichina Arnold

Ziggy Marley

Jon Cryer & Abigail Spencer

Daniel Dae Kim

Offset, Wolfgang Puck

James Pickens Jr.

JoJo Siwa, Allison Holker & Maksim Chmerkovskiy

Jesse Palmer, Shaun Robinson

Minnie Driver, Jonny Moseley, 'Love Is Blind' Cast Members

Boris Kodjoe, Kate Flannery

Joe Manganiello

Melissa Rauch, Joey Fatone & AJ McLean

Sara Bareilles, Busy Philipps, Paula Pell, & Renée Elise Goldsberry, Nathalie Emmanuel

Toni Braxton & Cedric the Entertainer, Melissa Benoist, Carla Gugino, Natasha Behnam, & Christina Elmore

Phil Keoghan, Lisa Rinna

Alison Brie

Jerrod Carmichael

Gina Rodriguez, Carla Hall

Kenya Barris, Jamie Kern Lima

Jenna Dewan

Joel McHale

Bill Bellamy

Tarek El Moussa

Sara Gilbert

Patton Oswalt

Quinta Brunson, Tabitha Brown

Tyler James Williams, Dorian Missick

Janelle James, William Stanford Davis

Sheryl Lee Ralph, Chris Perfetti

Lisa Ann Walter, Chef Kwame

Nikki & Brie Garcia, Jason Tartick

'Young Sheldon' Cast

Sheryl Crow, Sabrina Elba

Rita Moreno, Val & Maks Chmerkovskiy, Scott Hamilton

Ego Nwodim

George Lopez, Golda Rosheuvel

Giancarlo Esposito

Elisabeth Moss

Jesse Tyler Ferguson, Milla Jovovich

Zendaya

Mike Epps

'Grey's Anatomy' Stars

Cher

Reba McEntire

Hannah Waddingham

Meghan Trainor

Hannah Einbinder & Paul W. Downs

Kerry Washington & 'UnPrisoned' Cast, Cece Winans

Sherri Shepherd

Valerie Bertinelli, Tara Lipinski

Jurnee Smollett, Cast of "All American"

Chris Stapleton

Wanda Sykes

Dulé Hill

Wiz Khalifa

Tyler Cameron

Fat Joe, Le Sserafim

Diane Lane

Shonda Rhimes, Élodie Yung

Ernie Hudson

Jay Pharoah, Tanner Adell

Mindy Kaling, Los Angeles Sparks

Pam Grier

Sarah Jakes Roberts

Ben Platt, Malika Andrews

Morris Chestnut, Kathy Swarts, Susan Noles

Glen Powell, Carl Clemons-Hopkins

Shay Mitchell, Ray & Eilyn Jimenez

Ron Funches

Marla Gibbs

Retta

Mickey Guyton, Scotty McCreery

Alex Rodriguez, Gerry Turner

Ms. Pat