What started as just a spread of women in bathing suits to fill space during a time of year with little sports news has turned into a seminal beachwear fashion issue that has launched the careers of several of the world's top supermodels. And this year, the most anticipated annual magazine issue is going 3-D. See our list of the hottest Sports Illustrated swimsuit cover girls.

Gorgeous and over 50

Over a half-century old doesn’t mean what it used to, and these celebrities are proof that you can still have sex appeal when you hit retirement age. For them, another year older means hitting award shows and landing new movie roles.