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

Billy Idol

English Rock Musician, Songwriter & Actor

The Game

Rapper, Entrepreneur, Record Producer & Actor

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 ...

Lewis Hamilton

British Formula 1 Racing Driver; Currently Racing for the Mercedes AMG Petronas Team

Tony Robbins

Global Entrepreneur & Investor; New York Times Best-Selling Author; Life & Business Strategist

MONEY Master the Game: 7 Simple Steps to Financial Freedom (Tony Robbins Financial Free...

Brené Brown

Professor at the University of Houston; #1 New York Times Best-Selling Author; Best Known for "Daring Greatly"

The power of vulnerability | Brené Brown | TED

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Kerry Washington

Actress, Producer & Activist Known for Starring as Olivia Pope in ABC's "Scandal"

Alex Rodriguez

Chairman and CEO, A-Rod Corp, Iconic Athlete, 3x MVP, World Series Champion & Emmy Award-Winning Sports Commentator

Tyler Perry

Actor, Writer, Producer, Comedian & Director; CEO of Tyler Perry Studios

Jennifer Lopez

Actress, Recording Artist, Dancer & Philanthropist; Known by the Nickname "J. Lo"

Jewel

Singer-Songwriter, Advocate for People Experiencing Homelessness & Author of "Never Broken"

Vanessa Hudgens

Actress and Singer

Paris Hilton

CEO, Entrepreneur, Producer, Innovator, Investor & Advocate

Steve Harvey

TV Personality & Host of "Family Feud"

Jim Gaffigan

Grammy-Nominated Comedian & Actor

Guy Fieri

Restaurateur, Author & Emmy Award-Winning Host of "Minute To Win It" & "Diners, Drive-Ins and Dives"

America Ferrera

Award-Winning Actress, Producer & Humanitarian