Michael Phelps

Retired Professional Swimmer; Most Decorated Olympic Athlete in History

Ryan Seacrest

Radio Personality, TV Host & Producer Best Known for "American Idol" and "On Air with Ryan Seacrest"

Kim Kardashian West

Reality TV Personality, Fashionista, Mother

Katharine McPhee

American Pop Singer, Songwriter and Actress; Known for Her Role on NBC's "Smash"

Troy Aikman

Former Dallas Cowboys Quarterback & NFL Hall of Fame Inductee; Emmy-Nominated Commentator on Fox Sports

Kris Jenner

Reality TV Star & Former Executive Producer of "Keeping Up with the Kardashians"

Ted Turner

Media Mogul & Philanthropist

Joy-Ann Reid

MSNBC Correspondent, Political Author & Former Host of "The Reid Report"

Tamron Hall

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

Ronan Farrow

Investigative Reporter, Activist & Lawyer

Lara Spencer

Co-host on "Good Morning America"

Aubrey O'Day

Former member of Danity Kane, Pop Artist

Aubrey O'day Backstage @ The Grammys

Natalie Morales

Journalist & Anchor; Co-Host of 'The Talk'

Natalie Morales is leaving NBC News after 22 years

Anna Kournikova

International Tennis Icon, Health & Fitness Advocate, Former World #1 Doubles Player and #8 Singles Player; Former Co-Host on NBC’s “The Biggest” Loser (2011), Named to the Forbes “Power 100” in 2000

Jane Pauley

Emmy Award-winning Broadcast Journalist & Mental Health Advocate

MythBusters Hosts

Jamie Hyneman and Adam Savage

DJ Pauly D

DJ and Former Cast Member of MTV's "The Jersey Shore"

Cristina Saralegui

Journalist, Actress, Author & TV Personality; Best Known for "The Cristina Show"

Kourtney Kardashian

Reality TV Star, Mother, Healthy Living Advocate

Keith Olbermann

Award-Winning Host of "Olbermann"