See Barton stage her own show (one day, four outfits!) at Fashion Week. Plus: Rachel Bilson, Christina Aguilera, George Clooney and more

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Usher, who's starring onstage in Broadway's Chicago, nabs one of the best seats in the house Wednesday at Fashion Week alongside Hilary Duff (right) and TV host Maria Menounos. The trio took in Project Runway judge Michael Kors's show in New York City.