Terrell Owens

Former NFL Wide Receiver, NFL Hall of Famer & Alzheimer's Advocate

Lisa Nichols

Best Selling Author, Motivator, Coach, Teacher & The Secret Contributor

Daniel Amen

Award-Winning Psychiatrist & Best Selling Author

Raising Mentally Strong Kids: How to Combine the Power of Neuroscience with Love and Lo...

Rich Roll

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

Jenny McCarthy

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

Shannen Doherty

Actress, Producer, Author & TV Director; Breast Cancer Survivor

Shannen Doherty Wants to "Embrace Life"

Jenifer Lewis

Actress Known as the "Mother of Black Hollywood"; Famous for her Roles in "Think Like a Man", "The Princess Frog", & "Black-ish"

Denise Richards

Actress, Former Fashion Model & Reality Star on Bravo's "The Real Housewives of Beverly Hills"

Terry Dubrow

Plastic Surgeon and Television Personality; Known for "Botched"

Shirley MacLaine

Academy Award-Winning Actress & Author

AJ McLean

Singer, Songwriter and member of the Backstreet Boys

AJ McLean Opens Up About His 20-Year Drug Addiction Battle ...

Matt Leinart

FOX Sports 1 College Football Analyst; Former American Football Quarterback

Jason Priestley

Canadian-American Actor & Director Best Known for "Beverly Hill, 90210"

Portia de Rossi

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

Billy Bob Thornton

Actor, Screenwriter; Known for "Armageddon"

Bar Refaeli

Israeli Model

Karena Dawn

Co-Founder of Tone It Up & Personal Trainer

Jeanette Jenkins

Founder & President of The Hollywood Trainer Fitness Company

Fiona Apple

Grammy Award-Winning Singer-Songwriter, Pianist & Poet

Peter Gallagher

Multi-Award Winning Film, Television and Theater Actor; Known for His Roles on "The OC" and Broadway Play "On the Twentieth Century"