Andy Grammer

Platinum-Selling Singer-Songwriter Known for "Honey, I'm Good" & "Fine By Me"

Demi Lovato

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

Bruno Mars

Grammy Award-Winning Singer-Songwriter & Record Producer

Pharrell Williams

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

Raven Symone

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

Craig Robinson

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

Carly Patterson

Singer-Songwriter & Olympic All-Around Women's Gymnastics Gold Medal Winner at the 2004 Athens Olympic Games

Aziz Ansari

Actor, Stand-up Comedian, and Star of "Master of None"

Gloria Gaynor

Grammy Award-Winning Disco Singer Known for "I Will Survive"; Speaker on Domestic Violence

Jermaine "JD" Dupri

Grammy Award-winning Record Producer, Songwriter and Rapper; Founder of GLOBAL 14 & Creator of JDs Vegan Ice Cream

Frenchie Davis

Broadway Performer; Soul & Pop Singer

Frenchie Davis- Oh Freedom - YouTube

Brittany Snow

Actress, Producer, Director, Singer & Co-Founder of Love Is Louder

Geof Manthorne

Chef; Best Known for "Ace of Cakes"

Robin Meade

Host of HLN's Morning Express, Singer-Songwriter, New York Times Best-Selling Author

Adam Devine

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

Sara Bareilles

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

Chelsea Peretti

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

Chase Rice

Country Singer-Songwriter

Christina Milian

Television Personality, Host, R&B Singer-Songwriter and Actress

Mary Lambert

Singer-Songwriter; known for her work on Macklemore's "Same Love"