Pixie fever comes and goes in the celebrity hair circuit, but few have worn it better (or as consistently) as Halle Berry. With her signature cropped cut, Berry became iconic in her scene as a Bond Girl bursting from the surf in an orange bikini. She broke down barriers by becoming the first African American woman to win an Academy Award for a leading role in "Monster's Ball."

"Michelle Obama was brazen to bare arms and ushered in a new rise in American fashion by wearing trendy designers like Jason Wu and J. Crew," Bernard notes. With the first arm-baring portrait and a whole slew of preppy-chic ensembles, Obama has reignited national excitement for a decade that's nostalgic for "Mad Men" era fashion and its style-conscious FLOTUS, Jackie O.