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 asses. Did I already say awesome? Well done.

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