Sara Bareilles

Singer-Songwriter, Actress, Author & Philanthropist; Known for "Love Song" & "Brave"

Bruno Mars

Grammy Award-Winning Singer-Songwriter & Record Producer

Dambisa Moyo

Global Economist, Author & Investor in the Future

John Mulaney

Stand-Up Comedian & Former Writer for "Saturday Night Live"

Charles Esten

Singer and Actor, Known for his Role on "Nashville"

Hannibal Buress

Stand-Up Comedian, Actor & Television Writer; Known for Comedy Central's "Broad City" & "The Eric Andre Show"

John Cena

WWE Professional Wrestler, Bodybuilder, and Actor Known for "Trainwreck"

Kumail Nanjiani

Stand-Up Comedian & Actor; Known for "The Big Sick"

Colbie Caillat

Two-time Grammy Winning Singer Known for "Bubbly"

Arnold Schwarzenegger

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

Melissa Rauch

Actress, Writer & Stand-Up Comic, Best known for "The Big Bang Theory"

Idris Elba

English Actor, Producer, Rapper and DJ; Best Known for His Roles in "The Wire" & "Luther"

Ice-T

Rapper, Record Producer & Actor Known for "Law & Order: SVU"

Conan O'Brien

Comedian, Writer & Host of "Conan"

Jesse Tyler Ferguson

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

Justin Willman

Magician, Actor, Comedian & TV Personality

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

Pharrell Williams

Singer-Songwriter, Producer & Entrepreneur; Known for the Hit Single, "Happy"

Forest Whitaker

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

Greg Gutfeld

Political Satirist Known for "The Greg Gutfeld Show" & "The Five."

Bobby Flay

Chef & Host of "Throwdown With Bobby Flay" and "America's Next Great Restaurant"

Chelsea Handler

Comedian, TV Personality & Author

Buddy Valastro

Host of "The Cake Boss" & "The Next Great Baker"

Gabrielle Union

Actress, Voice Artist, Activist, Author & Investor

Raven Symone

Actress & Singer Known for "That's So Raven"

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’

Kristen Schaal

Actress, Stand-Up Comedian & Writer

Kristen Schaal's Daughter Is Not A Kristen Schaal Fan | CONAN

Rashida Jones

Actor, Writer and Producer; Best Known for Roles in "The Office" & "Parks and Recreation"

Wilmer Valderrama

Actor, Producer, Activist & Television Personality

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Michael J. Fox

Actor, Author and Advocate; Founder, The Michael J. Fox Foundation for Parkinson’s Research

Michael J. Fox on latest Parkinson's research and how he's ...