With the imitable icons we've seen throughout history, it becomes increasingly difficult for modern pop stars to embellish a look that is all their own. Katy Perry has certainly experimented with a combination of elegantly eye-popping pieces: we've seen exuberant geisha gowns, snowman dresses, 2-in-1 tux and gown ensembles (complete with baseball shoes) and of course, the infamous Katy Perry cupcake bra.