Obi Obadike

Celebrity Fitness & Nutrition Expert, CEO of Ethical & Co- Author Of "TheCut"

Tunde Oyeneyin

Peloton Instructor & Makeup Artist; Founder of SPEAK Instagram Live Series

Kellyann Petrucci

Nutritionist, Natural Anti-Aging Specialist, Media Personality, Lifestyle Expert, Author of "Dr. Kellyann's Bone Broth Diet"

Bob Harper

Personal Trainer & Former Host of "The Biggest Loser;" Heart Attack Survivor

Maintaining A Healthy Body & Mind | Bob Harper Q&A

Graham Elliot

Celebrity Chef & Restaurateur; Judge on Bravo's "Top Chef"

Valerie Bertinelli

Actress & Jenny Craig Brand Ambassador; Starred in Sitcom "Hot in Cleveland"

Tia-Clair Toomey

Most Decorated Crossfit Athlete in History, Commonwealth Games Gold Medalist & Olympian

Joy Behar

Comedian, Actress & Former Co-Host of "The View"

CC Sabathia

Former MLB All-Star Pitcher & World Series Champion; Co-Host of "R2C2"

CC Sabathia Reflects on Rehab and his Legacy

Delta Burke

Actress & Comedian; Known For "Designing Women"

Chrissy Metz

Actress & Singer Best Known for NBC's "This Is Us"

Jo Frost

Jo Frost is an English nanny and the central figure of the reality television programme Supernanny, of which there is both a British and an American version.

Kate Gosselin

Reality Television Personality & Author