Steven Tyler

Aerosmith Lead Singer & Former 'American Idol' Judge

Bob Dylan

Legendary Singer-Songwriter and Entertainer; Known for "The Times They Are a-Changin'"

Paul Giamatti

Actor; Appeared in "Sideways" and "The Illusionist"

Paul Giamatti | Full Q&A | Oxford Union

Rae Sremmurd

Hip Hop Duo Formed by Brothers Swae Lee & Slim Jxmmi

Chris Colfer

Golden Globe Winning Actor, Singer, Screenwriter & New York Times Best-Selling Author; Known for His Role in "Glee"

Chris Hemsworth

Actor Known for "The Avengers," "Snow White and the Huntsman" & "Thor"

Anna Paquin

Actress Best Known for "True Blood" and for the X-Men Franchise

Sarah Palin

Former Governor of Alaska; 2008 Vice Presidential Nominee

Rick Springfield

Australian Musician, Singer-Songwriter & Actor Known for "Jessie's Girl"

Sebastian Maniscalco

Comedian

Maisie Williams

English Actress Known for Portraying Arya Stark in "Game of Thrones"

Lana Del Rey

Singer-Songwriter Known for "Summertime Sadness" & "Young and Beautiful"

Molly Shannon

Comedian, Former Cast Member on SNL & Actress Known for "Other People"

Mandy Patinkin

Actor Best Known for "Homeland," "Criminal Minds" and "The Princess Bride"

Queen Rania Al Abdullah

Royal Matriarch of Jordan; Activist and Global Humanitarian

Portugal. The Man

Rock Band Known for Singles Like "People Say" and "So American"

Eugenio Derbez

Mexican Actor, Comedian, and Filmmaker

Carly Rae Jepsen

Recording Artist; Known for the Viral Sensation “Call Me Maybe”

Plain White T's

Chicago Pop Punk Band Known for Songs Like "Hey There Delilah" and "Rhythm of Love"

Luke Bryan

Country Music Artist Known For His Singles Like "Country Girl (Shake It For Me)" and "Drunk on You"