Diane Guerrero

Immigration Reform Activist & Actress Known for "Orange is the New Black" & "Jane The Virgin"

Mayim Bialik

Neuroscientist, Mental Health Advocate & Actress Known for "The Big Bang Theory"

Bethenny Frankel

Entrepreneur, Reality TV Star & Bestselling Author; Founder of Skinnygirl & BStrong Disaster Relief

Tracee Ellis Ross

Actress, Producer; Chief Executive Officer at PATTERN

Jameela Jamil

Actress, Outspoken Feminist, Mental Health & Body Positivity Advocate

George Takei

Actor, Social Justice Activist & Social Media Mega-Power

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Chelsea Handler

Comedian, TV Personality & Author

Anderson Cooper

Journalist, TV Personality, Anchor of CNN's "Anderson Cooper 360°"

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Meghan McCain

Political Columnist, Author & Award-Winning Blogger

Dan Abrams

Chief Legal Affairs Anchor at ABC News & Founder of Abrams Media

Brooke Shields

Actress; Model; Women's Health, Aging & Mental Wellness Advocate

Cynthia Erivo

Singer-Songwriter & Grammy & Tony Award-Winning Actress; Known for "The Color Purple," "Wicked" & Portraying Harriet Tubman in "Harriet"; Vice President of the Royal Academy of Dramatic Arts

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Tyra Banks

Host & Executive Producer, "Dancing With the Stars"; Model, TV Personality, Host of "America's Next Top Model"

Josh Peck

Actor & Social Media Influencer

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Tia Mowry

Actress & Celebrity Mom; Star of "Tia Mowry at Home" on the Cooking Channel

Kenan Thompson

Prime Time Emmy Award-Nominated Actor; "Saturday Night Live" Cast Member; Star on NBC's "Kenan"

When I Was Your Age: Life Lessons, Funny Stories & Questionable Parenting Advice from a...