10 Favorite Fashion Designers—and How to Shop Their Iconic Look

They say one has to have a signature in life, a calling card uniquely they’re own. In the case of some of our favorite designers—from Mary-Kate and Ashley Olsen to Marc Jacobs— that old axiom couldn’t be more true. Here, we highlight our ten favorites, including thick-framed glasses to aviator shades (and those who make them look so, so good)–and show you how to make the look your own.