Jessica Chastain Pictures at THR Oscars Party

The Hollywood Reporter hosted a party at LA's Getty House, the residence of Mayor Antonio Villaraigosa, to honor the year's crop of Academy Award nominees last night. The publication's editorial director, Janice Min, presided over a bash that brought out Midnight in Paris stars Owen Wilson and Michael Sheen, though Michael's real-life leading lady, their costar Rachel McAdams, sat things out. Jessica Chastain, who wore Vivienne Westwood, is in the running for a best supporting actress statue for her work in The Help, and she made the rounds with best pal Jessica Weixler. Brooklyn Decker also stepped out to say hello to producers and writers from movies like The Descendants, The Artist, and Moneyball. THR's bash was one of many that went down in Hollywood last night in the run-up to Sunday's Oscars. Don't forget, we'll be LIVE on the Academy Awards red carpet starting at starting at 5:30 p.m. EST/2:30 p.m. PST.