Kid Cudi

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

Keri Hilson

Singer, Songwriter & Actress; Known for "Knock You Down" and "Pretty Girl Rock"

M.I.A.

Rapper, Singer, Songwriter, Record Producer & Activist

Blake Shelton

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

Miranda Cosgrove

Actress Known for "Drake & Josh," "School of Rock" & "iCarly"

Sandi Patty

Christian Music Singer & Author

Scott Bloom

Comedian, Author & Professional Emcee; Podcast Host of "No More Bad Events"

Lisa Loeb

Grammy-Nominated Singer & Songwriter

Mary Mary

Gospel Superstars, Known for Hits including "Shackles (Praise You)"

David Boudia

4-Time Olympic Medal Diver

Pink Martini

Jazz, Classical, Latin Musical Group; Described as a "Little Orchestra"

Sophie Monk

English-born Australian Singer, Model and Actress; Known for "Date Night"

Emmanuelle Chriqui

Actress Known for "Entourage;" Social Advocate for Colon Cancer, Environmental Issues & Human Rights in Congo

Goo Goo Dolls

American Rock Band Known for "Come to Me" & "All That You Are"

Celine Dion

Singer; Famous for Hits like "Because You Loved Me" and "My Heart Will Go On"

Cheap Trick

American Rock Band Known for "Surrender" and "I Want You to Want Me"

Fiona Apple

Grammy Award-Winning Singer-Songwriter, Pianist & Poet

George Kohlrieser

Organizational, Clinical & Police Psychologist; Former Hostage Negotiator

Josh Shipp

Host of A&E's "Teen Trouble", Former At-Risk Foster Kid Turned Youth Empowerment Expert

Kerri Walsh Jennings

Olympic Gold Medalist for Women's Beach Volleyball

Kerri Walsh Jennings Sizzle Reel