Trendsetters! Audrey Hepburn, Marlon Brando and More Stars Who Made Their Mark on the Fashion World

After the 1968 horror classic, Peter Pan collars and shift dresses became all the rage, as did Mia’s pixie hairdo. But while it’s credited to Vidal Sassoon, Mia revealed, “I had literally cut it myself earlier — with a pair of fingernail scissors — while working on [TV’s] Peyton Place. My then-boyfriend, Frank Sinatra, loved the cut, and so I kept it short.”