Adam Devine

Comedian & Actor Known for "Workaholics" & "Pitch Perfect"

Amandla Stenberg

Actor, Singer & Activist Known for "The Hate U Give," "The Hunger Games" & "Everything, Everything"

Amy Schumer

Award-Winning Actress & Comedian; Author of "The Girl with the Lower Back Tattoo;" Feminist Advocate

Amy Schumer diagnosed with rare health disorder: ‘Something was wrong’

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Aubrey Plaza

Actress, Comedian & Producer Known for NBC's "Parks and Recreation"

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Chelsea Handler

Comedian, TV Personality & Author

Chelsea Peretti

Comedian, Writer & Actress Known for "Brooklyn Nine-Nine"

Common

Award-Winning Artist, Actor, Producer, Musician & Writer

And Then We Rise: A Guide to Loving and Taking Care of Self

Craig Robinson

Comedic Actor Known for "The Office," "Knocked Up" & "Brooklyn Nine-Nine"

Demi Lovato

Grammy Nominated Singer-Songwriter, Musician, Philanthropist & Mental Health Advocate

Forest Whitaker

Award-Winning Actor, Producer & Director; Best Known for "Rogue One: A Star Wars Story" & "The Last King of Scotland"

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Gina Rodriguez

Award-Winning Actress, Producer, Director, Model & Humanitarian

Issa Rae

Actress, Writer, Director & Producer Known for HBO's "Insecure" & "Awkward Black Girl"

Jason Alexander

Actor, Writer & Director; Best Known for His Work on "Seinfeld"

Jay Leno

Emmy Award-Winning TV Late Night Show Host, Stand-Up Comedian & Best-Selling Author

Jesse Tyler Ferguson

Actor & LGBTQ Activist; Best-Known for “Modern Family”

Jesse Williams

Director, Producer, Activist & Actor Known for "Grey's Anatomy"

Joseph Gordon-Levitt

Founder of HitRecord & Actor Known for "Inception" & "The Dark Knight Rises"