Twiggy

Born Lesley Hornby, Twiggy entered the fashion world as a teenager in the swinging '60s, becoming well-known for her androgynous physique, large eyes and cropped hair. Since being dubbed “the face of 1966” by the Daily Express, she’s gone on to act on screen, stage and television. She also had a stint as a judge on the reality show "America’s Next Top Model."

Christy Turlington

Christy Turlington has graced over 500 magazine covers since she started modeling as a teenager. Now 44, she has earned a master’s degree in public health from Columbia University and is married to Ed Burns, with whom she has two children.

Claudia Schiffer

German-born Claudia Schiffer was first spotted in a nightclub at the age of 17, and went on to become one of the world's most highly-photographed models, appearing on over 700 magazine covers throughout her career. Since her modeling heyday Schiffer has performed in films, designed her own fashion collection and acted as a U.K. Goodwill Ambassador for UNICEF.

Elle Macpherson

Dubbed “The Body” in the 1980s, Elle Macpherson has made a record five appearances on the cover of the Sports Illustrated Swimsuit Issue during her career. Post-modeling she started successful lingerie and skin care lines. The 48-year-old is now the host and producer of NBC’s "Fashion Star."

Linda Evangelista

A longtime muse of photographer Steven Meisel, Linda Evangelista has appeared on over 600 magazine covers. Now 47, she has one child with billionaire Frenchman Francois-Henri Pinault. Proving that beauty knows no age, she became the new face of Talbots in June 2010.

Heidi Klum

Heidi Klum became the first German Victoria’s Secret Angel in 1997, at the age of 24. Now 39, she’s still strutting down the runway, appearing most recently as a host and model at the 2012 Victoria’s Secret Fashion Show. This busy lady is also a host and executive producer of Project Runway, and a mother to four children.

“The ultimate beauty secret for a woman getting older is, Don’t be too thin! It is always better to have a little meat on your bones,” she told Self in 2010.

Marisa Berenson

Yves Saint Laurent called Marisa Berenson, granddaughter of fashion designer Elsa Schiaparelli, “the girl of the Seventies.” Since her supermodeling days, the 65 year old has broken into the movie industry — most recently appearing in the 2010 film “I Am Love.”

Naomi Campbell

Discovered by a scout at the age of 15, Naomi Campbell was one of the biggest models of the early '90s. Despite stints in rehab for cocaine addiction, she’s continued to grace the catwalk, walking the runway in 2007 for Dior’s 60th anniversary fashion show.

Christie Brinkley

Christie Brinkley, 59, became famous for her Sports Illustrated Swimsuit Issue covers in the late '70s and spent 25 years as the face of CoverGirl. More recently she’s had guest roles on television shows like Parks and Recreation. “I don’t ever apply makeup without scrubbing my face first,” the mother of three told People in 2011. “And I’m very careful with my makeup. Too much emphasizes your wrinkles.”

Cindy Crawford

Cindy Crawford and her signature mole shot to worldwide fame as the supermodel became a household name in the '80s. Now 46, she has two children and several business ventures, including a line of furniture. “As I’ve gotten older I wear less makeup,” she tweeted in 2012. “It can make you look older, and hopefully we get more comfortable in our skin.”

Helena Christensen

Helena Christensen has had several titles throughout her career: Beauty queen, Victoria’s Secret Angel, photographer and creative director for Nylon magazine. The mom of one, now 44, even launched her own clothing line in 2006 and has continued modeling in fashion campaigns.

Iman

Iman spent 14 years as one of the top fashion models in the world. These days she’s married to David Bowie and keeps busy with her successful cosmetics company, Iman Cosmetics, which she started in 1994.

Jerry Hall

Fashion model and actress Jerry Hall still isn't camera shy, recently posing nude with her 28-year-old daughter Lizzy Jagger in a campaign to raise awareness of overfishing. Hall, 56, also became the face of Invisible Zinc Skincare in 2010.

Kate Moss

Famous for her waifish figure, Kate Moss was discovered at the age of 14 and went on to become the face of Calvin Klein, Burberry, Dior and many other labels. She continues to model today and has designed a collection for Topshop. Moss, 39, married British musician Jamie Hince in 2007.

Lauren Hutton

Lauren Hutton, 69, has graced the cover of Vogue 26 times throughout her glamorous career. Fired by Revlon at 40, she made a comeback as a model in the '90s before posing nude in Big magazine at the age of 61.

Tyra Banks

Tyra Banks started modeling at 15, eventually becoming a Victoria’s Secret Angel and the first-ever African American model chosen for the cover of the lingerie company’s catalogue. Now 39, Banks hasn’t shied away from being honest about the aging process. “My butt’s kind of sagging. It doesn’t look as good. My boobs are kind of sagging, too!” she told In Touch in 2012.