• ASHLEY AND MARY-KATE OLSEN photo | Ashley Olsen, Mary-Kate Olsen

Credit: Cindy Ord/Getty

Published: Tuesday September 04, 2012 06:00 AM EDT

2012

ASHLEY AND MARY-KATE OLSEN

The Olsen fashion empire is also beloved by industry insiders. Their Elizabeth and James line is casually, effortlessly cool, while their more upscale sister line, The Row, is comprised of carefully edited, minimalist chic pieces (which have already gotten the seal of approval from little sis Elizabeth).