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.

 Cast member Hayden Panettiere (L) answers a question, as co-star Marcia Gay Harden watches, at the Lifetime Television panel for the movie "The Amanda Knox Story" during the Television Critics Association winter press tour in Pasadena, California January 7, 2011.

Katy Perry, Miley Cyrus, Rihanna & other artists belted out their hits at the 2010 American Music Awards held at Nokia Theatre L.A. Live on Nov. 21, 2010 n Sunday in Los Angeles.

Miley Cyrus