SI Swimsuit Models Get Crazy At Vegas Party on Valentines Day [30 PICS]

Since the release of the Sports Illustrated Swimsuit Issue, Kate Upton and co. have been very busy with appearances in New York and Las Vegas. So after a long week, the ladies decided that they needed to blow off a little steam on Valentine’s Day at Caesar’s Palace.

Among the wild photos taken that night shows one of Kate Upton grabbing Genevieve Morton’s chesty-bits. Yeah, it was that kind of party.

Check out some of the hottest photos from the night below.