Kate Middleton has been perfecting her signature hairstyle since long before she married Prince William and became the Duchess of Cambridge. Even as a college student, Middleton wore her long, polished brunette locks in bouncy curls, keeping her makeup equally minimalist. Now, as a member of the royal family, Middleton has perfected the look--and even experimented with natural waves, sleek updos, tousled high ponys, and even a new, short lob. In honor of Middleton's new cut, here's a look back at the Duchess' most timeless beauty moments through the years.