Chastain glammed up in Erdem Los Angeles - Arabstoday Jessica Chastain attended the Oscar nominee’s luncheon this week wearing a dress by London designer Erdem. The star has been nominated in the Best Actress category for her role in Zero Dark Thirty. Her navy floral embroidered look was plucked from the Erdem pre-spring/summer 2013 collection, which she wore with nude Christian Louboutin heels.