Season
Episodes
Dwayne Johnson
Ellen DeGeneres; John Legend
Jennifer Garner; Matt Iseman
Jay Leno; Bryce Vine
Chance the Rapper; Jillian Bell
Christina Aguilera; Brian Austin Green
Jessica Alba; Kelsea Ballerini
American Idol Reunion
Meghan Tranior; Ron Funches
Tracee Ellis Ross; Hayley Kiyoko
Trisha Yearwood; Erin Moriarty
Neil deGrasse Tyson / Tori Kelly
Kate Upton; Arianna Huffington
Kirsten Dunst; Chris Sullivan
Reba McEntire; Lesley Nicol
America Ferrera, Tituss Burgess
Mike Colter, Ally Brooke, Danny Trejo
Tony Hale, Nicole Scherzinger
Kal Penn, Wale
Wanda Sykes, The Property Brothers
Kristin Chenoweth, Bindi Irwin, Robert Irwin
Beth Behrs, Jeff Dunham
Chloë Grace Moretz, Theresa Caputo, Drew Carey
Adam Devine, Amy Brenneman
Erin Andrews, Antoinette M. Clarke and Tricia Clarke-Stone
Christie Brinkley, Sailor Brinkley-Cook, Maddie & Tae
Tyler Perry, Ben Platt
Kaley Cuoco, YBN Cordae
Eva Mendes, Craig Morgan
Sara Gilbert, Cyndi Lauper
Cedric The Entertainer, Danica Patrick
Mario Lopez, JB Smoove
Sharon Osbourne, Thomas Lennon
Gabriel Iglesias, D'Arcy Carden
Lea Michele, William Jackson Harper
Little Big Town
Max Greenfield, Shin Lim
Bradley Whitford, Anna Camp, Wiz Khalifa
Kate Flannery, Lindsey Stirling
Hailee Steinfeld, Valerie Bertinelli
Eric McCormack, Liza Koshy
Keegan-Michael Key, Bebe Rexha
Patricia Heaton, Shane McAnally
Billy Eichner, Henry Winkler
John Cena
Tim McGraw, Kiernan Shipka, Isabela Merced
Jason Derulo, Nicole Byer
Jason Momoa, Alfre Woodard
Nick Jonas, Arden Myrin, Timothy Omundson
Kobe Bryant, Martha Stewart
Dr. Phil, Lacey Chabert
Chrissy Teigen, James Wolk
Seth Meyers, Marie Kondo, Beth Behrs
Gwen Stefani, Blake Shelton, John Legend, Carson Daly
Whitney Cummings, Lil Rel Howery
Garth Brooks
Kristen Bell, NE-YO
Josh Gad, Grace VanderWaal
Nick Offerman, Kellie Pickler
Tom Hanks, Matthew Rhys, Susan Kelechi Watson
Chrissy Metz, Iain Armitage
Patti LaBelle, Aaron Taylor-Johnson, Sam Taylor-Johnson
Jane Lynch, Jo Koy
Kathy Bates, Kevin O'Leary
Lionel Richie, Justin Willman, Gary Clark Jr.
Jason Aldean, JoJo Siwa, Candace Cameron Bure
Kevin Hart
Derek Hough, Julianne Hough, Christian Siriano
Blake Shelton, Jameela Jamil
Annie Potts, Rick Ross
Jennifer Hudson, Joel Kim Booster
Sterling K. Brown, Karen Gillan, Brynn Cartelli
Idina Menzel, Mykal-Michelle Harris
Henry Golding/Lea Michele/Christie Brinkley & Sailor Brinkley-Cook/Robert Irwin & Bindi Irwin/Manny Mua
Tracee Ellis Ross , Kobe Bryant ,Craig Morgan
Seth Meyers; Marie Kondo and Beth Behrs
Andy Grammer, Lisa Vanderpump, Jake Hoot
Jenna Dewan, Rob Gronkowski, Luis FonsI
Jenna Fischer, Angela Kinsey, Eric Winter
Ben Feldman, Ryan Michelle Bathé
Octavia Spencer, David Dobrik
Howie Mandel, Kandi Burruss
Rob Lowe, Madelaine Petsch
Jerry Springer, Lauren Ash
Abigail Spencer, Nico Santos
Tyler Perry, Ben Platt
George MacKay/Dean-Charles Chapman/Annie Murphy/Emerald Belles
Cast
Kelly Clarkson
Self - Host