There goes Kate Upton again! Sports Illustrated recently introduced a teaser video in line with their upcoming Swimsuit Issue that also celebrates their 50th anniversary. The highly anticipated prestigious cover is charmed by the most in demand supermodels in the likings of Chrissy Teigen, Lily Aldridge and Nina Agdal. All three wore only bikini bottoms while Kate Upton is seen wearing some of the best looking swimsuits for 2014. This special 2014 Sports Illustrated swimsuit issue will be offered starting February 18.