Laila Ali

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

Eva Longoria

Award-Winning Actress, Producer, Director, Activist, Philanthropist & Designer

Lisa Vanderpump

Entrepreneur, TV Personality, Author & Philanthropist

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John Cena

WWE Professional Wrestler, Bodybuilder, and Actor Known for "Trainwreck"

Andre Agassi

Retired World No. 1 Tennis Player & International Tennis Hall of Famer; Olympic Gold Medalist, Entrepreneur & Philanthropist

will.i.am

Multi-Faceted Entertainer & Creative Innovator; Education Advocate

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Kellie Pickler

Country Music Artist, American Idol Alum, "Dancing with the Stars" Winner & Host of Daytime Talk Show "Pickler & Ben"

Scott "Scooter" Braun

Founder of SB Projects

Martina McBride

Country Singer-Songwriter & Philanthropist

Jenna Bush-Hager

Best-selling Author; Contributing Correspondent, NBC's Today; Chair, UNICEF's Next Generation and Editor-at-Large, Southern Living Magazine

Superpower Sisterhood with Jenna Bush Hager and Barbara Pierce ...