Laila Ali

Undefeated Four-Time World Champion Boxer & Lifestyle Expert; Heart Disease Awareness Advocate

Amandla Stenberg

Actor, Singer & Activist Known for "The Hate U Give," "The Hunger Games" & "Everything, Everything"

Chelsea Handler

Comedian, TV Personality & Author

Aubrey Plaza

Actress, Comedian & Producer Known for NBC's "Parks and Recreation"

Deepak Chopra

Co-Founder of The Chopra Center for Wellbeing

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Demi Lovato

Grammy Nominated Singer-Songwriter, Musician, Philanthropist & Mental Health Advocate

Candace Cameron Bure

Women & Youth Speaker Best Known for Her Role on "Full House" & "Fuller House"; Former Co-Star on "The View"

Jessica Alba

Actress; Entrepreneur; Founder & CEO of The Honest Company

Diana Nyad

World Champion Swimmer, Storyteller, Sports Journalist & Broadcaster

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Jenny Slate

Actress, Comedian, Author & Creator of the "Marcel the Shell" Short Films; Known for "Parks & Recreation," "Big Mouth," & "The Secret Life of Pets"

Lisa Vanderpump

Entrepreneur, TV Personality, Author & Philanthropist

Lisa Vanderpump Tells Us About Her First Times

Rachel Zoe

Celebrity Stylist, Fashion Designer, Author, Talk Show Host of "Fashionably Late With Rachel Zoe"

Lily Tomlin

Actress & Comedian; Star of Netflix's "Grace and Frankie"

Sugar Ray Leonard

Legendary Sports Icon, Olympic Champion and Hall of Famer, Philanthropist, Bestselling Author & Television Personality

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Holly Robinson Peete

TV Personality & Autism Advocate

Queen Latifah

Singer-Songwriter, Rapper, Actress, Television & Record Producer, Talk Show Host

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"