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Lawless co-stars Shia LaBeouf and Jessica Chastain (in vintage YSL from Decades) met up in New York for a screening of their new film, hosted by The Cinema Society & Manifesto Yves Saint Laurent. The movie tells the true story of the Bondurant brothers: bootlegging siblings in Prohibition-era Virginia. See it in theaters starting August 29th, and click through the gallery for more of this week’s best party photos.

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• Stars in Mermaid Gowns
• Jessica Chastain’s Stylist on Cannes
• More Parties Pics