Despite only about 10 percent of the world's population having a preference for the left hand, there are plenty of famous people who fall into the category. Seven US presidents since 1923, including Barack Obama and Bill Clinton, have been lefties, as were astronaut Neil Armstrong and the royal family's own Prince William [1], and it turns out there's a whole host of them in Hollywood, too. Keep reading to find out which stars sign with their left hands.

Angelina Jolie

Justin Bieber

Nicole Kidman

Ben Stiller

Sarah Jessica Parker

Joshua Jackson

Oprah Winfrey

Kate Hudson

Julia Roberts

Whoopi Goldberg

Lady Gaga

Mary-Kate Olsen

Seth Rogen

Jennifer Lawrence

Mark Wahlberg

Spike Lee

Goldie Hawn

Niall Horan

Julianne Moore

Mark Hamill

Lisa Kudrow

Ashley Tisdale

Naya Rivera

Bruce Willis

Owen Wilson

Keanu Reeves

Anna Kendrick

Adam Levine

Matthew Broderick

Hugh Jackman

Emma Thompson

John Cena

Sir Paul McCartney

Jeremy Renner

Eminem

Diane Keaton

Jay Leno

Will Ferrell

Tina Fey

Jerry Seinfeld

Pink

Matt Dillon

Dennis Quad

Faith Hill

Scarlett Johansson

January Jones

Iggy Azalea

Prince William