The online proliferation of Kate Upton began two months ago, shortly after she took our breath away in the 2011 Sports Illustrated Swimsuit Issue. However, scantily clad photos of Ms. Upton aren't just on hot chick picture blogs these days. In New York City, the Sports Illustrated Swimsuit Rookie of the Year is wrapped around double-decker tourist buses in a campaign for Guess? clothing line. She's certainly not the only hot super model to strip down in signature black and white for the fashion label, so we decided to take a look at the 35 hottest Guess? girls of all time. Gawk away in our slideshow below.