Natalie Portman

Award-Winning Actress Known for "Black Swan," "V for Vendetta" & Playing Padmé Amidala in the Star Wars Prequel Trilogy

Julia Louis-Dreyfus

Emmy Award-Winning Actress Known For "Seinfeld" & "Veep"

Will Smith

Actor, Producer, Entrepreneur, Philanthropist & Author

Shonda Rhimes

Executive Producer, Screenwriter, & Author

David Lee Roth

Frontman of Van Halen, American Rock Vocalist, Musician, Songwriter, Actor, Author, and Former Radio Personality

Sofia Vergara

Actress, Entrepreneur, Comedian Known for "Modern Family"

Reese Witherspoon

Academy Award-Winning Actress & Producer, Founder of Hello Sunshine & Draper James

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

TIME 100 Talks With Matt Damon And Gary White, Water.org

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Ashton Kutcher

Actor, Producer, Investor & Activist

Ashton Kutcher Reveals Battle with Rare Autoimmune Disease

Oprah Winfrey

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

Jason Sudeikis

Comedian & Actor Known for "We're The Millers," "Horrible Bosses" & "SNL"

Snoop Dogg

Rapper, Singer, Songwriter, Record Producer & Actor

From Crook to Cook: Platinum Recipes from Tha Boss Dogg's Kitchen (Snoop Dogg Cookbook,...

Tony Robbins

Entrepreneur, Best-Selling Author & Peak Performance Strategist

MC Hammer

Hip Hop Recording Artist, Record Producer & Entrepreneur

Michael J. Fox

Award-Winning Actor, Author, Producer & Advocate

Tracee Ellis Ross

Actress, Youth Volunteer & Star of "Black-ish"

Dwayne "The Rock" Johnson

Actor, Former WWE Wrestler & New York Times Best-Selling Author of "The Rock Says..."

Jerry Seinfeld

Comedian, Actor, Writer, & Television/Film Producer

Tyler Perry

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