Conan O Brien is known as a comedian writer and talk show host He is most famous for hosting Late Night and Conan

Zach Galifianakis is known as an American actor comedian and writer He is most famous for his role in The Hangover film franchise

Robert Redford is known as an American actor director producer and entrepreneur He is most famous for his role The Sting and The Way We Were

Elle Fanning is known as an American actress and model She is most famous for being the younger sister of popular actress Dakota Fanning

Debby Ryan is known as an American actress and singer Ryan is most famous for being featured on the Disney Channel

Justin Bieber is known as a Grammy Award winning Canadian pop star He is most famous for growing his fame on YouTube with such hits like Let Me Love You and I m the One

Norm Macdonald is known as a Canadian stand up comedian and actor He is most famous for his roles on Saturday Night Live and Adam Sandler films

J K Simmons is known as an American actor He is most famous for his roles in Law Order and Oz

Jason Schwartzman is known as an American actor screenwriter and musician He is most famous for his roles in Rushmore Moonrise Kingdom and The Grand Budapest Hotel

Kristen Wiig is known as an American actress comedian and writer She is most famous for her roles in Saturday Night Live and Bridesmaids

Josh Lucas is known as an American actor He is most famous for his roles in American Psycho A Beautiful Mind and Hulk

Christian Bale is known as an English actor He is most famous for his leading roles in American Psycho and the Batman film franchise

Zac Efron is known as an American actor He is most famous for his roles in Disney s High School Musical Hairspray and The Greatest Showman

Bruce Willis is known as an American actor He is most famous for his leading roles in films like Die Hard Pulp Fiction and The Sixth Sense

Michael B Jordan is known as an American actor He is most famous for his roles in Fruitvale Station Creed The Wire and Black Panther

Judd Seymore Hirsch is an American actor best known for his roles as Alex Rieger on Taxi, John Lacey on NBC's Dear John, and Alan Eppes on CBS's Numb3rs.  He has received two Primetime Emmy Awards for Outstanding Lead Actor in a Comedy Series, two Tony Awards for Best Actor in a Play, a Golden Globe Award for Best Actor – Television Series Musical or Comedy, and an Academy Award nomination for Best Supporting Actor.

Idina Menzel is known as an American actress and singer She is most famous for playing Maureen Johnson in the Broadway musical Rent

Wayne Brady is known as an American actor singer and comedian He is most famous for being a main cast member of Whose Line Is It Anyway

Hayden Christensen is known as a Canadian actor and producer He is most famous for his roles in the Star Wars film franchise

Hilary Duff is known as an American actress and singer. She is most famous for the TV series Lizzie McGuire and her pop album Metamorphosis