Mark Wahlberg

Actor, Producer & Philanthropist

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Josh Groban

Pop and Classical Singer Who Has Sold Over 25 Million Records Worldwide

Mark Hamill

Actor Best Known for His Role as Luke Skywalker in the "Star Wars" Franchise

Zooey Deschanel

American Actress, Musician, and Singer-Songwriter; Best Known for Role on FOX's Television Show "New Girl"

Train

American Rock Band

The Game

Rapper, Entrepreneur, Record Producer & Actor

Janelle Monáe

Singer-Songwriter, Rapper, Actress & LGBTQ Advocate

Meek Mill

Hip-Hop Recording Artist & Criminal Reform Activist

Oprah Winfrey

CEO of Oprah Winfrey Network, Presidential Medal of Freedom Recipient & National Women's Hall of Famer

Oprah Winfrey: Broken Open | Oprah's Super Soul | OWN Podcasts ...

Jared Leto

Academy Award-Winning Actor Known for "Dallas Buyers Club," "Requiem for a Dream" & "Suicide Squad;" Lead Singer for Band '30 Seconds to Mars'

Demi Lovato

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

Dave Grohl

Lead singer of Foo Fighters; Previously the Drummer for Nirvana

Bruno Mars

Grammy Award-Winning Singer-Songwriter & Record Producer

Foster the People

Alternative Rock Group Known for "Pumped Up Kicks"

Drake

Canadian Actor, Rapper & Singer Known for "One Dance" and "Hotline Bling"

Jason Sudeikis

Emmy Award-Winning Comedian & Actor; Known for "Ted Lasso," "Horrible Bosses" & "SNL"

John Cena

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

John Mayer

Grammy Award-Winning Singer-Songwriter & Guitarist Known for "Your Body Is a Wonderland" & "Waiting on the World to Change"

John Mayer Reveals His Worst On Stage Moment & More

Snoop Dogg

Rapper, Singer, Songwriter, Record Producer & Actor