NEW YORK - FEBRUARY 09: Model Genevieve Morton attends the Sports Illustrated Swimsuit 24/7: New York Launch Party at Provocateur at The Hotel Gansevoort on February 9, 2010 in New York City ...

This article was originally published on www.swimsuit.si.com as 6 Times SI Swimsuit Models Perfected the Sporty Swimwear ...

Dozens of past Sports Illustrated cover models have returned for the 60th anniversary of the magazine's iconic "Swimsuit Edition," which released on newsstands on May 17.