Julie Henderson, left, in 2008, and Kathy Ireland, right, in 1990, get sandy for their close-ups in the Sports Illustrated Swimsuit Issue.
Model Elle Macpherson may have a girl-next-door image, but "Sports Illustrated Swimsuit: 50 Years of Beautiful" reveals that she made one bold move at her interview with the magazine. Here, she poses for a 1987 spread, earning the nickname "The Body."
No one showcases good looking athletes quite like Sports Illustrated, getting football player Joe Montana, left, to pose for a shoot with his super toned wife, Jennifer, in 1999, and tennis pro Rafael Nadal, right, with model Bar Rafaeli in 2012.
Hockey star Wayne Gretzky, left, in 1998, and baseball pitcher Roger Clemens, right, in 2003, also posed for the magazine with their hot wives.
Model Anne V, left, recreated an iconic Elle Macpherson cover from 1986, right, using body paint-- a popular feature the Swimsuit Issue is known for.
Models, from left, Cheryl Tiegs, Jessica White, Fernanda Motta, Damaris Lewis, Kate Upton and Marisa Miller launched their careers in the Swimsuit Issue.
Fernanda Tavares, left, in 2001, and Heidi Klum, right, in 2006, had their bodies painted for artfully done Swimsuit Issue spreads.
Before she was an icon, Christie Brinkley stole the show in Sports Illustrated Swimsuit Issues in 1978 and 1979, even while wearing demure one-pieces.
Tyra Banks was the first African-American model to appear on the cover of the Sports Illustrated Swimsuit Issue in 1997, a career-changing feat.
"Sports Illustrated Swimsuit: 50 Years of Beautiful," an eye candy-filled look back at the magazine's best moments, hits shelves Oct. 22, 2013.
To celebrate 50 years of bombshells in bikinis and the publication that made Christie Brinkley, Heidi Klum and Kate Upton household names, Sports Illustrated, is releasing "Sports Illustrated Swimsuit: 50 Years of Beautiful," a 304-page book filled with photos of their hottest models and athletes, behind the scenes looks at the craziest shoots and more. The book will be sold at retailers nationwide and at si.com/swimsuit50book Oct. 22, and we have a peek at some of its hottest pages.