Cheyenne Jackson

Star of Broadway and TV's "Glee" and "30 Rock"

Matt Dallas

American actor, best known for playing the title character on the ABC Family series 'Kyle XY'

Wentworth Miller

Actor & Screenwriter, Known for "Prison Break"

Chris Pratt

Actor Known for "Parks & Recreation" & "Guardians of the Galaxy"

Charlie Carver

Actor Known for his Role as Ethan on "Teen Wolf"

Peter Dinklage

Emmy Award-Winning Actor, Known for his Role on "Game of Thrones"

Michael McGrady

Motivational Speaker, Theater, Film & Television Actor; Best Known for "Ray Donovan"

Amandla Stenberg

Actor, Singer & Activist Known for "The Hate U Give," "The Hunger Games" & "Everything, Everything"

Russell Brand

Comedian, Actor, Radio Host, Author & Activist

Lena Dunham

Writer, Director, Actor & Producer Best Known for HBO’s “Girls”

Mark Wahlberg

Actor, Producer & Philanthropist

Dave Navarro

Musician & Host of "Ink Master"; Best Known as a Member of Jane's Addiction & Former Member of Red Hot Chili Peppers

John C. McGinley

Actor, Author & Former Comedian; Advocate for Down Syndrome Awareness; Best Known for "Scrubs"

Evan Handler

Actor, Author, Screenwriter & Journalist; Best Known for “Sex and the City,” and "Californication"

Brittany Snow

Actress, Producer, Director, Singer & Co-Founder of Love Is Louder

Kevin Smith

Director, Producer, Comedian & Actor

Eminem

Grammy Award-Winning Rapper; Also Known as "Slim Shady"

Dan Savage

Advice Columnist & Host of the "Savage Lovecast" Podcast; LGBTQ Activist

Jesse Tyler Ferguson

Actor & LGBTQ Activist; Best-Known for “Modern Family”

Gabourey Sidibe

Actress, Director, & Author Known for "Empire" & "Precious"

Andy Cohen

Emmy Award-Winning Host & Producer of Bravo’s "Watch What Happens: Live"

Andy Cohen reacts to his infamous New Year’s Eve rant

Henry Winkler

Actor, Producer, Director & Best-Selling Author; Best Known for "Happy Days"

Jodie Sweetin

Entrepreneur, Actress, Producer & Author

Sharon Stone

Award-Winning Actress, Producer, Activist & Humanitarian

Richard Simmons

Fitness Instructor, Actor, Video Producer Known for "Sweatin' to the Oldies" Aerobics Videos

Tony Plana

Actor & Director Known for "Ugly Betty;" Supporter of Comprehensive Immigration Reform; Advocate for Alzheimer's Disease

Michael Phelps

Retired Professional Swimmer; Most Decorated Olympic Athlete in History

Cynthia Nixon

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

Maureen McCormick

Actress & Author Best Known for "The Brady Bunch"

Ricky Martin

Puerto Rican Grammy Award-winning Singer-songwriter, Actor and Author