From Audrey Hepburn's pixie to Jennifer Aniston's famous hair, the celebrity hair makeovers that turned the most heads.

Audrey Hepburn's Smart Pixie
Let's be honest: Audrey Hepburn was flawless in any hairstyle. But something about her closely shorn crop made her birdlike features and milky white skin all the more irresistible to America, and the Academy, earning her an Oscar for Roman Holiday in 1953.