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1. Kristin Cavallari

Her nemesis Kristin Cavallari has also made a name for herself in the fashion world, from curating NFL fashion shows to collaborating with Chinese Laundry on a line of stylish shoes. Earlier this year, she also landed a hosting gig for E! talk show series The Fabulist.

Ms. Cavallari now goes by Mrs. Cutler, wedding Chicago Bears Quarterback Jay Cutler in 2013, and is a mom of two.