Collaboration is never easy. Here Fortune salutes the teams who make hard work look as smooth as silk. Photographs by Ben Baker.
Photographed at Bar 6 in New York City
Their two new lines -- the Row, a collection of luxurious knits, and the trendier Elizabeth and James -- have earned Ashley (right) and Mary-Kate (left) spots on the Council of Fashion Designers of America.
Ashley spends her days poring over fabrics in the Garment District, but she always consults with her sister. "We love to collaborate, but we also divide and conquer," she says.
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