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They conquer the runway, design fashion lines, host television shows, advocate for humanitarian efforts, and even find time to Tweet regularly. We’re talking about supermodel moguls—extraordinarily impressive women whose beauty shot them to stardom and whose intelligence propelled them to worldwide acclaim. Instead of admiring from afar, we wanted know one thing—how do they do it? We caught up with Cindy Crawford, Kimora Lee, and Niki Taylor to find out the secrets behind supermodel success. Read their 15 tips for career and life—and see more models who mastered success—in the gallery!

— Sharon Clott and Blakely Slater