Sports Illustrated swimsuit model Kate Upton attends SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit model Kate Upton attends SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit model Kate Upton attends SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit model Chrissy Teigen and musician John Legend attend SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit models Julie Henderson and Hannah Davis attend SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit models Emily DiDonato and Natasha Barnard attend SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit models Jessica Gomes and Julie Henderson attend SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.

Sports Illustrated swimsuit models Adaora and Jessica Perez attend SI Swimsuit on Location at the Marquee Nightclub at The Cosmopolitan of Las Vegas on February 13, 2013 in Las Vegas, Nevada.