Alfonso Cuarón

Academy Award-Winning Mexican Film Director, Screenwriter, Producer & Editor

Solange Knowles

R&B Singer-Songwriter; Sister of Beyonce; "Losing You"

Conor McGregor

UFC Featherweight Champion, Irish Professional Mixed Martial Artist

Ray Romano

Comedian & Actor Known for "Everybody Loves Raymond"

Simon Cowell

TV Personality & Former Judge on The X Factor, Britain's Got Talent and American Idol

Colin Farrell

Irish Actor Best Known for "Horrible Bosses" and "True Detective"

Jimmy Wolk

Actor, Known for "Shameless" and "Happy Endings"

Billy Crystal

Award-winning Actor & Comic; Best Known for "When Harry Met Sally"

Logic

Rapper, Singer, Songwriter & Record Producer

Black Eyed Peas

American Hip-Hop Group Known for "I Gotta Feeling"

Jake Gyllenhaal

Academy Award-nominated and BAFTA Award-winning American actor

Kevin James

Comedian, Actor, "The King of Queens"

John Mellencamp

American Rock Singer-Songwriter, Musician known for his catchy, populist brand of heartland rock

Josh Groban

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

Duran Duran

English Rock Band

Dolly Parton

Country Singer-Songwriter, Actress, Author and Philanthropist

Amy Schumer

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

Amy Schumer on How Her Husband's Autism Diagnosis Has ...

Pink

American Singer-Songwriter and Actress

P!nk Answers Ellen's 'Burning Questions'

Jordan Spieth

Professional Golfer

Emma Watson

Actress, Model & Activist; UN Women Goodwill Ambassador; Co-Founder of the HeForShe Campaign

Emma Watson at the HeForShe Campaign 2014 - Official UN Video ...