Jenny McCarthy

Actress, Host & Judge on Fox's "The Masked Singer"; Beauty Entrepreneur & Founder of Formless Beauty

Jurnee Smollett

Actress & Singer

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

Angela Rockwood

Actress, Model, Disability Activist, Star & Producer on "Push Girls"

John Tesh

Inspirational Radio Host, Pianist & Composer; Known for His Radio Show "Intelligence for Your Life"

John Tesh Music - YouTube

George Lopez

Stand-Up Comedian, Television Personality, Actor & Kidney Disease Spokesperson

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Antonio Damasio

Director of the Brain Institute

Sharon Stone

Award-Winning Actress, Producer, Activist & Humanitarian

Cheryl Tiegs

Former Sports Illustrated Swimsuit Model; Proclaimed the "All-American" Model

Nick Jonas

Multi-Platinum & Grammy Nominated Recording Artist, Actor, Award-Winning Songwriter, Member of the Jonas Brothers & Diabetes Advocate

Jessica Simpson

International Music Superstar, Bestselling Author & Entrepreneur

Rita Wilson

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

Jordin Sparks

Pop and R&B Vocalist; American Idol Winner

Ali Landry

Former Miss USA, Actress and Owner of Belle Parish Lifestyle Brand

Rich Roll

Athlete, Wellness Advocate, Motivational Speaker, Addiction Survivor & Author

Tracy Morgan

Comedian, Former SNL Cast Member & Actor on NBC's "30 Rock"

Julianne Moore

Academy Award & Emmy Award-Winning Actress

Portia de Rossi

Actress, Known for"Ally McBeal" & "Arrested Development."

Mackenzie Phillips

Actress, Singer & Author of "High on Arrival: A Memoir"