Scarlett Johansson wasn't always the red-carpet glamazon we've come to worship. But with a little help from Leslie Fremar — who topped The Hollywood Reporter's 2013 list of the most powerful stylists — she went from oh no! to oh, wow! ScarJo scrapped the metallic wedges and backless tank for gorgeous gowns, such as this Atelier Versace number, jaw-dropping jewels, like her Bulgari-High Jewelry collar.
These stars haven't always been fashion darlings — it took the most stylish minds in the fashion world to make them that way!