Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Type-1 Diabetic

Holly Robinson Peete

TV Personality & Autism Advocate

Sadie Robertson

Motivational Speaker, Best-Selling Author, Owner of Clothing & Accessory Brand "Live Original"; Known for A&E's "Duck Dynasty"

Sinbad

Stand-Up Comedian & Actor

Sinbad is back after a stroke: ‘Miracles happen’

Paul Reiser

Actor, Writer & Stand-Up Comedian Known for Portraying Paul Buchman in "Mad About You"

Scott "Scooter" Braun

Founder of SB Projects

Judge Greg Mathis

Civil Rights Activist, Television Personality

Hannibal Buress

Stand-Up Comedian, Actor & Television Writer; Known for Comedy Central's "Broad City" & "The Eric Andre Show"

Jessica Williams

Actress, Comedian, Former Correspondent on "The Daily Show" & Co-Host of the "2 Dope Queens" Podcast

Jodie Sweetin

Entrepreneur, Actress, Producer & Author

Andy Samberg

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

Shay Mitchell

Actress Known for Her Role in "Pretty Little Liars"; Entrepreneur & CEO of Beis

Christian Siriano

Fashion Designer, Founder of Christian Siriano, Winner of "Project Runway" Season 4

Alyssa Milano

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

Jennifer Pahlka

Deputy Chief Technology Officer At The White House Office of Science and Technology Policy; Founder of Code for America

Recoding America: Why Government Is Failing in the Digital Age and How We Can Do Better

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Fuzzy Zoeller

Professional Golfer

Diane Sawyer

Anchor, ABC World News

Kristen Schaal

Actress, Stand-Up Comedian & Writer

Kristen Schaal's Daughter Is Not A Kristen Schaal Fan | CONAN

Russell Simmons

Entrepreneur & Philanthropist