Since 1964, the Sports Illustrated: Swimsuit Edition has been an annual issue that has featured some of the biggest supermodels to date. The 2012 Sports Illustrated: Swimsuit Edition showcases eighteen of the modeling industries top stars. Shot in Sydney, Australia, model Kate Upton graces the cover of the 2012 Swimsuit Edition. In addition, Sports Illustrated has teamed up with DIRECTV to release a special edition “Sports Illustrated Swimsuit Viewer 2012″ app. You can download the app through the iTunes App Store here. Check out the images below, and as always, be sure to let us know what you think?