At the NYC premiere of her latest film My Week With Marilyn, Michelle Williams looked every bit the star as the icon she portrayed.

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The event, celebrating the Marilyn Monroe biopic at The Paris Theatre this Sunday, also featured actors Kenneth Branaugh, Zoe Wanamaker, Morena Baccarin and director Simon Curtis.

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But it was Michelle who stole the show in her radiant Erdem dress and simple black pumps.