Sophia Bush

Actress, Humanitarian & Author

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Jillian Michaels

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

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

Alyssa Milano

Actress, Author, Philanthropist & Founder of Touch by Alyssa Milano; Known for "Charmed" and "Who's the Boss"

Hilary Swank

Academy Award-Winning Actress; Best known for her roles in 'Million Dollar Baby' and 'Boys Don't Cry'

Jessie James Decker

Country Music Singer-Songwriter, Reality TV Star, Author & Designer

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Kristen Bell

Actress & Film Producer; Known for "Veronica Mars" & "Frozen"

Ashley Madekwe

Actress & Personal Style Blogger ; Best known for her role on ABC's "Revenge"

Sarah McLachlan

Singer-Songwriter & Activist

Neko Case

Neko Case is an American singer-songwriter, best known for her solo career and her contributions as a member of the Canadian indie rock group The New Pornographers

Leland Melvin

Engineer, Former NASA Astronaut & Former NFL Wide Receiver

Lauren Shuler Donner

Producer; Best Known for the X-Men Series

Heather Mills

Humanitarian Known For Her Work To Stop Landmines, Animal Cruelty and Many Other Causes

Dyan deNapoli

Penguin Expert, TED Speaker & Award-Winning Author of "The Great Penguin Rescue"

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Dr. Jan Pol

Veterinarian; Star of Nat Geo Wild's "The Incredible Dr. Pol"

Ashley Borden

Ashley Borden is a fitness and lifestyle consultant to some of Hollywood's most recognizable faces and world-class athletes.