Remember all-black-everything Rihanna? We can't blame you if you don't. In the last few months the pop star has undergone more style transformations than Lady Gaga at an awards show. From her tough edgy rocker look to her chic blond sophisticated look, to her brand new fun, feminine redhead vibe -- she's done it all. Take a look at Rihanna's style transformation and tell us: which look do you love the most?