Pictures Celebs Who Started Out As Models April 16, 2014 / 12:48 PM EDT / CBS News (Photo by Amy Sussman/Getty Images for FIJI Water) Jennifer Lawrence (Photo by Alberto Pizzoli/AFP/Getty Images) Channing Tatum (Photo by Rob Loud/Getty Images) Leighton Meester (Photo by Evan Agostini/Getty Images) Taylor Kitsch (Photo by Evan Agostini/Getty Images) Robert Pattinson (Photo by Peter Kramer/Getty Images) Josh Holloway (Photo by Kevin Winter/Getty Images) Mark Wahlberg (Photo by Vince Bucci/AFP/Getty Images) January Jones (Photo by Carlo Allegri/Getty Images) Cameron Diaz (Photo by Jack Guez/AFP/Getty Images) Rebecca Romijn (Photo by Carlo Allegri/Getty Images) Mischa Barton (Photo by Giulio Marcocchi /Getty Images) Olivia Wilde (Photo by Giulio Marcocchi /Getty Images) James Marsden (Photo by Scott Gries/ImageDirect) Katherine Heigl (Photo by Kevin Winter/Getty Images) Uma Thurman (Photo by Frank Micelotta) Ashton Kutcher (Photo by Newsmakers) Brooke Shields (Photo by Diane Freed) Charlize Theron (Photo by Online USA) Tom Welling (Photo by Scott Gries/ImageDirect) Trevor Donovan (Photo by Kevin Winter/Getty Images for The Noble Awards)