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Hollywood has made its way to New York City for Mercedes-Benz Fashion Week and one such representative from Tinsetown is none other than Oscar winner Charlize Theron. The stunning actress doubles as the face of Dior, for whom she hosted their glamorous Fashion’s Night Out event.

Young Whitney Port, who famously made her move from the Hollywood Hills to New York City, stepped out on the catwalk for the close of the Whitney Eve Spring 2010 show. Looks like the reality TV star is moving up in the world.

At the World of Giuseppe Zanotti, young stars Michelle Trachtenberg, Rachel Bilson and Katy Perry all turned up to take in some fashion. Additionally, Rihanna also appeared in the same outfit she wore to the Intermix party. Looking sleek, Ri-Ri.

Gallery Info: Charlize Theron, Whitney Port, Katy Perry, Michelle Trachtenberg, Rachel Bilson and Rihanna at Mercedes-Benz Spring 2010 Fashion Week in New York City.