Have you ever wondered what
Sports Illustrated swimsuit models do when they're not hard at work having pictures taken of themselves in bikinis? Me too. Apparently they take pictures of themselves in bikinis and post them on
Twitter for their pervert fans like you and me to enjoy. Awesome. Here are a few pictures of
Kate Upton and her friends
Anna Vyalitsyna and
Alyssa Miller fooling around taking pictures of each others cleavage and ...