See Caroline Wozniacki, Serena Williams, Aly Raisman and more pose in SI Swimsuit 2017
February 15, 2017 SI Swimsuit is back with its 2017 issue, and several athletes have made their way into its pages this year, including tennis stars Caroline Wozniacki, Serena Williams and Genie Bouchard, as well as gymnasts/Olympic heroes Aly Raisman and Simone Biles.