Partying Down During Oscar’s Walk-Up Week (Photos)

From Jessica Chastain chatting up Harry Potter, to Steven Spielberg and J.J. Abrams hunkering down together, to awards winners with trophies riding shuttle buses — a continuously updating gallery of the scene leading up to Oscar night.

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  Bradley Cooper gets ready to settle in with “Silver Linings Playbook” producer Bruce Cohen. Their movie would end up the afternoon’s big winner. (Photo by Kevork Djansezian)