![2011 Swimsuit Edition Unveiled](http://townsquare.media/site/81/files/2011/02/Blog27.jpg?w=980&q=75)
2011 Swimsuit Edition Unveiled
David Letterman unveiled this year's winner for "Sports Illustrated's 2011 Swimsuit Edition" on "The Late Show." 25-year old Russian model Irina Shayk is this year's winner as well as the cover model. This is Shayk's first cover and fifth appearance in the magazine's swimsuit issue...