Nick Jonas

Multi-Platinum & Grammy Nominated Recording Artist, Actor, Award-Winning Songwriter, Member of the Jonas Brothers & Diabetes Advocate

J. Cole

Hip-Hop Recording Artist & Record Producer Known for "Power Trip" and "Work Out"

Jordin Sparks

Pop and R&B Vocalist; American Idol Winner

Arctic Monkeys

A Hybrid of Swaggering Indie Rock and Danceable Neo-Punk

Blake Shelton

Country Music Singer & Judge on NBC's "The Voice"

Martine Rothblatt

Medical Ethics & Technology Expert; Creator of SiriusXM Satellite Radio, Chairman & CEO of United Therapeutics Corp

Two Stars for Peace: The Case for Using U.S. Statehood to Achieve Lasting Peace in the ...

Kid Cudi

Rapper, Singer & Actor; Known for "Pursuit of Happiness" & "Man on the Moon"

Imogen Heap

Musician, Producer & Founder of Mycelia For Music

Mila Kunis

Actress Known for "That '70s Show" & for Voicing Meg Griffin on "Family Guy"

Michael Moore

Academy Award Winning Documentarian & Best-Selling Author

Natalie Massenet

Founder & Chairman of Net-a-Porter Group, Fashion Entrepreneur & Former Journalist

Dave Grohl

Lead singer of Foo Fighters; Previously the Drummer for Nirvana

Kelly Rowland

R&B Singer, Actress and Member of Destiny's Child

Usher

Singer-Songwriter & Dancer

David Gray

David Gray is an English singer-songwriter known for his breakthrough album "White Ladder."

Boyz II Men

American R&B Vocal Group

Gael Garcia Bernal

Award-Winning Actor Known for "Mozart in the Jungle" & "Y Tu Mama Tambien"

Andy Serkis

Actor, Director & Author; Best Known as Gollum in the Lord of the Rings Trilogy

Barenaked Ladies

Canadian Band with Awesome Lyrics and Humor

Keith Urban

Grammy Award-Winning Country Musician