Bobby Flay

Chef & Host of "Throwdown With Bobby Flay" and "America's Next Great Restaurant"

Brooke Shields

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

Cynthia Nixon

Actress Known for her Role as Miranda Hobbes on HBO's "Sex and the City"; Former Candidate for Governor of New York

Hoda Kotb

Award-Winning Broadcast Journalist, Television Personality, Author & Co-Anchor of NBC News' TODAY

Julie Andrews

Singer, Actress, Author & Humanitarian

Keke Palmer

Actress & Youngest Talk Show Host in TV History

Laila Ali

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

Lily Tomlin

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

Martina McBride

Country Singer-Songwriter & Philanthropist

Mayim Bialik

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

Rachael Ray

Chef, Cookbook Author & Television Host Known for the "Rachael Ray Show"

Richard Thaler

Professor of Behavioral Science and Economics at the University of Chicago; Author of "Misbehaving: The Making of Behavioral Economics"

Richard Thaler: 'We Are Incapable of Learning From the Past ...

Sheryl Lee Ralph

Actress, Broadway Singer & Producer; Known for "Abbott Elementary"