Ben Affleck Argo
Lester Cohen/WireImage

George Clooney and Stacy Keibler threw their support behind Ben Affleck at the Los Angeles premiere of his new film, Argo. The pair dressed in coordinating all-black looks, with Keibler choosing a vintage silk Azzedine Alaïa gown with cutout detailing. Click through the gallery to see more photos from this week’s hottest parties.

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