All fashion designers have a signature aesthetic: Carolina Herrera does ladylike, Alexander Wang presents what's sure to be the cool-girl uniform in the coming season, and Ralph Lauren's been doing classic American for 40 years running. But after the models have done their work on the runway, it's time for the designers to take center stage. And, just as they have signature looks, they also have signature stances. See the bows, waves, curtsies, and struts that guarantee their curtain calls will be the real showstoppers of their Spring 2015 collections.
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