17 photos: Tennis' calendar girl Serena Williams enjoyed an astonishing 2015 season -- winning the Australian Open, French Open and Wimbledon. Hide Caption 2 of 1717 photos: Tennis' calendar girl Parisian style – The American poses on court after triumphing in the 2015 French Open final. Hide Caption 15 of 1717 photos: Tennis' calendar girl Up in the air – Williams celebrates after winning the Madrid Open final against Maria Sharapova in 2013. Hide Caption 14 of 1717 photos: Tennis' calendar girl Out of the shadows – Serena serves on a sunny day at Flushing Meadows, New York. Hide Caption 3 of 1717 photos: Tennis' calendar girl In the pink – Serena blasts down a powerful serve on her way to another victory.

Source: CNN May 15, 2016 16:37 UTC