Mike Rowe

CEO of mikeroweWORKS Foundation; Creator & Host of Dirty Jobs; Executive Producer & Narrator of How America Works

Seth Meyers

Host of "Late Night with Seth Meyers" & Former Head Writer for SNL

Andy Samberg

Actor, Comedian, Rapper & Writer; Known for "Saturday Night Live" & "Brooklyn Nine-Nine"

Jennifer Hudson

Award-Winning Actress, Singer & Talk Show Host

Busy Philipps

Actress, NY Times Best-Selling Author & Host of "Busy This Week"

Demi Lovato

Grammy Nominated Singer-Songwriter, Actress, Philanthropist & Mental Health Advocate

Kaley Cuoco

Actress; Best Known for "The Big Bang Theory" and "8 Simple Rules"

Bryan Cranston

Award-Winning Actor Known for "Breaking Bad," "The Studio" & "Malcolm in the Middle"; Co-Founder, Dos Hombres Mezcal; Alzheimer's Awareness Advocate

Maria Shriver

Journalist, Best-Selling Author, Entrepreneur & Former First Lady of California; Founder at Shriver Media

I Am Maria: My Reflections and Poems on Heartbreak, Healing, and Finding Your Way Home

Colin Firth

Academy Award-Winning Actor Known for "Kingsman," "Pride and Prejudice" & "The King's Speech"; Environmentalist & Humanitarian

Simon Cowell

TV Personality, Entrepreneur & Record Executive, Syco; Current Judge on "America's Got Talent," Formerly on "American Idol," "Pop Idol" & "The X Factor"

LL Cool J

Hip-Hop Icon, Grammy Award Winner & Actor; Known for "Mama Said Knock You Out"

Out Of Context: LL Cool J And Charlamagne Tha God

Britney Spears

Grammy Award-Winning Pop Singer & Performer; Author, "The Woman in Me"

Shah Rukh Khan

Bollywood Star, Social Activist

Michelle Williams

Award-Winning Film & Broadway Actress; Equal Pay Advocate

Hilary Swank

Academy Award-Winning Actress Actress Known for "Boys Don't Cry" & "Million Dollar Baby"; Founder, Mission Statement & Hilaroo Foundation

Hilary Swank talks new film, late father, story behind twins' names

Sarah Paulson

Award-Winning Actress; Known for "American Horror Story" & "American Crime Story"

Rob McElhenney

Creator & Star of "It's Always Sunny in Philadelphia" & "Mythic Quest"; Co-Owner of Welsh Football Club Wrexham A.F.C.

Peter Dinklage

Golden Globe & Emmy Award-Winning Actor Known for "Game of Thrones"

Peter Dinklage Breathes Fire While Eating Spicy Wings | Hot Ones

Toni Collette

Academy Award-Nominated Actress Known For "Hereditary" & "The Sixth Sense"