Billie Lourd

"Booksmart" and "Scream Queens" Actress, Daughter of Carrie Fisher

Tess Holliday

Plus-Size Model, Makeup Artist, Body Positive Activist & Blogger

Blake Leeper

Paralympian, World Record Holder & Motivational Speaker

Blake Leeper: The Bladerunner Who Beat Addiction | Trans World Sport

Sarah Hyland

Television & Film Actress Known For "Modern Family;" Kidney Disease Survivor & Mental Health Advocate

Cassey Ho

Creator of Blogilates, Fitness & Nutrition Personality

Tom Ford

Fashion Designer & Filmmaker

Danny Trejo

Actor, Activist & Restaurateur

Danny Trejo Breaks Down His Most Iconic Characters | GQ

Lily Collins

Actress, Model & Author Best Known For "Abduction" & "Mirror Mirror"

Sydney Leroux

Professional Soccer Player & Olympic Gold Medalist

Rita Wilson

Actress, Producer & Singer Known for "Sleepless in Seattle;" Alzheimer's Advocate

Gwen Stefani

Three-Time Grammy Award Winner, Singer-Songwriter, Coach on "The Voice," Fashion Designer & Entrepreneur

Selma Blair

Actress & Disability Advocate

Jurnee Smollett

Actress & Singer

Antonio Damasio

Director of the Brain Institute

Understanding Consciousness with Antonio Damasio - YouTube

Jordin Sparks

Pop and R&B Vocalist; American Idol Winner

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Anna David

NYT Best-Selling Author, Publisher, TEDx Speaker, Podcaster & Addiction Recovery Advocate

Michael J. Breus

Clinical Psychologist; Sleep Expert & Author of "Beauty Sleep"

Gabby Reece

Beach Volleyball Champion, First Female Spokeswoman for Nike, Creator of HIGHX, New York Times Best Selling Author, Model and Actress.

Jason Wahler

TV Personality, Known for "Laguna Beach" "The Hills" & "Celebrity Rehab", Recovery Advocate