The 10 Best Dressed Under 25

The British actress already has an enviable fashion resume—she’s fronted for Burberry and designed for an eco-friendly clothing label—and she’s not even 21. Her character in Harry Potter may not have shaped her sartorial sensibility, but perhaps bring born in Paris had an impact. Watson’s style is always chic. Her designers of choice include Chanel, Burberry and Rodarte, and her red carpet turns are classic but with an embellished edge.