Since Kate Middleton married Prince William back in 2011 and became the Duchess of Cambridge, she has become one of the most popular royals and a style icon. She has been photographed more than one can count and she's almost always looked flawless. She is truly the embodiment of a modern royal and whether she is wearing an evening gown and tiara or a casual pair of jeans the Duchess of Cambridge still looks refined. She's also never been afraid to recycle her looks and push the boundaries of appropriate royal attire. A lady just wants to have fun, so here are the most inappropriate outfits Kate Middleton has worn.