Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Alex Newell

Grammy Award-Winning Actor & Singer Known for "Glee"

Wil Wheaton

Actor, Author & Blogger; Known for "Star Trek: The Next Generation" & "The Big Bang Theory"

Sean Astin

Actor, Director, Voice Artist & Producer Known For "Lord of the Rings"

Jeannie Mai

Fashion Correspondent Known for "The Real" & "How Do I Look?", Two-Time NAACP Image Awards and Daytime Emmy Award Winner

Tig Notaro

Grammy Award-Nominated Stand-Up Comic, Writer, Radio Contributor & Breast Cancer Survivor

Marlee Matlin

Academy Award Winning Actress; Healthcare Advocate & Disability Rights Activist Fighting for Better Access for the Deaf

Chaz Bono

Transgender, LGBTQ Rights Advocate, Author, Speaker

Gloria Allred

Renowned Women's Rights Attorney; Subject of Netflix Documentary "Seeing Allred"

Rachel Zoe

Celebrity Stylist, Fashion Designer, Author, Talk Show Host of "Fashionably Late With Rachel Zoe"

Reggie Watts

Comedian & Musician; Bandleader of the IFC Talk Show "Comedy Bang! Bang!"

Brian Tracy

Authority on Human Potential & Personal Effectiveness; Prolific Author of Bestselling Business Books

Ashley Tisdale

Actress, Singer & Producer

Caroline Rhea

Stand-up Comedian, Actress & Television Host

Caroline Rhea Stand-Up: Dating, Astrology and Having a Teenage Daughter

Dr. Drew Pinsky

Physician, Addiction Medicine Specialist, TV Host, Author & Podcaster

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Paula Abdul

American Singer-Songwriter, Dancer, Choreographer & TV Personality

Jalen Rose

Former ESPN Analyst & NBA Player

Wilmer Valderrama

Actor, Producer, Activist & Television Personality

Sugar Ray Leonard

Legendary Sports Icon, Olympic Champion and Hall of Famer, Philanthropist, Bestselling Author & Television Personality