Kelly Clarkson
Self - Host (87 eps)
Lea Michele
Self - Musical Guest (2 eps)
Dwayne Johnson
Self (1 eps)
Ellen DeGeneres
Self (1 eps)
John Legend
Self (1 eps)
Jennifer Garner
Self (1 eps)
Jay Leno
Self (1 eps)
Meryl Streep
Self (archive footage) (1 eps)
Chance the Rapper
Self (1 eps)
Jillian Bell
Self (1 eps)
Christina Aguilera
Self (1 eps)
Brian Austin Green
Self (1 eps)
Kelsea Ballerini
Self (1 eps)
Paula Abdul
Self (1 eps)
Simon Cowell
Self (1 eps)
Justin Guarini
Self (1 eps)
Ron Funches
Self (1 eps)
Tracee Ellis Ross
Self (1 eps)
Hayley Kiyoko
Self (1 eps)
Neil deGrasse Tyson
Self (1 eps)
Tori Kelly
Self (1 eps)
Kate Upton
Self (1 eps)
Arianna Huffington
Self (1 eps)
Kirsten Dunst
Self (1 eps)
Chris Sullivan
Self (1 eps)
Reba McEntire
Self (1 eps)
Erin Moriarty
Self (1 eps)
Lesley Nicol
Self (1 eps)
America Ferrera
Self (1 eps)
Tituss Burgess
Self (1 eps)
Mike Colter
Self (1 eps)
Danny Trejo
Self (1 eps)
Nicole Scherzinger
Self (1 eps)
Tony Hale
Self (1 eps)
Kal Penn
Self (1 eps)
Wanda Sykes
Self (1 eps)
Jeff Dunham
Self (1 eps)
Theresa Caputo
Self (1 eps)
Drew Carey
Self (1 eps)
Tyler Perry
Self (1 eps)
Ben Platt
Self (1 eps)
Kobe Bryant
Self (1 eps)
Martha Stewart
Self (1 eps)
Chrissy Metz
Self - Musical Guest (1 eps)
Iain Armitage
Self - Guest (1 eps)