Find out which of your favorite stars started out by striking a pose!
Cameron Diaz
Although known primarily for her work as an actress, Diaz started modeling when she was 16, working all over the world. She would spend five years as a model before auditioning for "The Mask," where she would make her name as a true star.
Brooke Shields
Shields gained attention as a teen from both her provocative Calvin Klein ads and her role in the movie Pretty Baby, but she actually started modeling when she was only 11 months old. Talk about getting an early start!
Robert Pattinson
Pattinson's modeling career only last four years, from ages 12-16. According to the A-list celeb, his time as a model quickly came to an end as he started to look more and more masculine.
Brad Pitt
While trying to break through into bigger and better things, Pitt honed his chops doing a stint in commercials for Levi's jeans.
Hayden Panettiere
Like Brooke Shields, Panettiere's first gig as a model came at 11 months old. Instead of selling soap, however, this tyke appeared in a commercial for a Playskool toy train.
James Marsden
Between the X-Men movies and The Notebook, Marsden's crossover appeal as both an action star and a romantic villain has been evident for over a decade. However, before he was either of these things, Marsden was a top model for the Versace brand.
Angelina Jolie
Under her mother's direction, Jolie tried modeling during her high school years. This experiment was largely unsuccessful, however, and the cinematic world should be grateful for it.
Jennifer Lawrence
While trying to catch her big break, J-Law did a little modeling on the side. However, it's pretty safe to say that Katniss Everdeen won't need to do any more modeling unless she wants to.
Michelle Trachtenberg
Before she starred in Eurotrip, Trachtenberg had spent years doing modeling. her first appearance was as a 3-year-old in a detergent commercial.
Mischa Barton
Although most famous for appearing in The O.C., Barton has modeled for brands such as Calvin Klein and Aeropostale.
Ashton Kutcher
Originally from Cedar Rapids in Iowa, Kutcher didn't become a model until being approached by a talent scout. The pinnacle of his modeling career came when he competed in a competition, narrowly losing out on the title of "Male Model of the Year" to…
Josh Duhamel
…this guy. Between playing college football and landing a role on All My Children, Duhamel had a brief but successful modeling career.
Raven-Symone Pearman
Before being cast on The Cosby Show, Raven-Symone worked ads for products such as Ritz crackers and Jell-O
Corbin Bleu
Yet another actor who started out in commercials at a young age, Bleu 's appearances started when he was just 2 years old. Starting with Hasbro and Nabisco, at age four he "moved on" to companies like Macy's and Gap.
Lindsay Lohan
Yet another model from a young age, LiLo's career began when she was 3, and she ended up in over sixty different commercials before she moved into acting full-time.
Channing Tatum
Tatum's first experiences in front of a camera came with clothing lines such as Armani, Dolce & Gabbana, and Abercrombie & Fitch. It would later become apparent that he could do many more things, having starred in many movies, from Dear John to G.I. Joe.
Leighton Meester
Being born to an incarcerate woman couldn't stop Meester from becoming a star, and along the way she modeled for Ralph Lauren and Limited Too, among others.
Kirsten Dunst
Nominated for a Golden Globe when she was 12, Dunst had been cultivating a talented reputation since she started modeling when she was three for children's fashion.
Katherine Heigl
While somewhat controversial today, Heigl's young modeling career was much less so as her first national ad was for Cheerios.
Jason Lewis
Before appearing in the final season of Sex and the City, Lewis was a star model in Europe for lines such as Guess and Hugo Boss.
Jennifer Connelly
Before her debut in Once Upon a Time in America, Connelly appeared in both print and television ads.
Tom Welling
Best known for playing Clark Kent on the long-running show Smallville, the beginning of Welling's career in show biz involved modeling for Tommy Hilfiger and Calvin Klein.
President Gerald Ford
Do presidents count as celebrities? Regardless, between playing football in college, serving in World War II, and running for multiple national offices, President Ford took some time out of his schedule to show off in the great outdoors.