Alex Newell

Grammy Award-Winning Actor & Singer Known for "Glee"

Wil Wheaton

Actor, Author & Blogger; Known for "Star Trek: The Next Generation" & "The Big Bang Theory"

Sean Astin

Actor, Director, Voice Artist & Producer Known For "Lord of the Rings"

Jeannie Mai

Fashion Correspondent Known for "The Real" & "How Do I Look?", Two-Time NAACP Image Awards and Daytime Emmy Award Winner

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf

Rachel Zoe

Celebrity Stylist, Fashion Designer, Author, Talk Show Host of "Fashionably Late With Rachel Zoe"

Reggie Watts

Comedian & Musician; Bandleader of the IFC Talk Show "Comedy Bang! Bang!"

Ashley Tisdale

Actress, Singer & Producer

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Paula Abdul

American Singer-Songwriter, Dancer, Choreographer & TV Personality

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Maria Bello

Actress, Activist & Vital Voices Global Ambassador

David Koechner

Character Actor, Comedian and Musician, Best Known for "Anchorman: The Legend of Ron Burgundy" and "The Office".

Mark Spitz

Legendary Olympic Swimmer; Third Athlete to Win Nine Olympic Gold Medals

Mark Spitz on the 1972 Olympic Games in Munich

Tim Meadows

Actor & Comedian; Known for "Saturday Night Live"

Justin Willman

Magician, Actor, Comedian & TV Personality

THE MAGIC PRANK SHOW WITH JUSTIN WILLMAN | Official Trailer ...

Wilmer Valderrama

Actor, Producer, Activist & Television Personality

Marc Maron

Standup Comedian, Host of the Podcast "WTF with Marc Maron" & Star of the IFC Comedy "Maron"

Alicia Silverstone

Actress & Animal Rights Activist

Jenny Slate

Actress, Comedian, Author & Creator of the "Marcel the Shell" Short Films; Known for "Parks & Recreation," "Big Mouth," & "The Secret Life of Pets"