Sports Illustrated Swimsuit Issue Pictures 2013

This year's Sports Illustrated Swimsuit Issue has been released — get the most of this year's edition with a guide to SI Swimsuit launch week. Kate Upton landed the cover spot for the second year in a row, this time around, flaunting her figure in a two-piece on a chilly Antarctica shoot.

Inside the issue, Kate is joined by SI Swimsuit vets Chrissy Teigen, Irina Shayk, and Anne Vyalitsyna, who each went around the world for their assignments. Chrissy showed off her bikini body in Chile, Irina got sexy in Spain, and Anne trekked China in a two-piece — click through to see their bikini shots, and make sure to check out all the Sports Illustrated bikini pictures.