Jessica Chastain sizzled in a yellow chiffon gown at Met Gala 2017 red carpet, which held at the Metropolitan Museum of Art on Monday (May 1) in New York City. Jessica Chastain yellow dress was a long formal evening prom gown, featuring sheath/column silhouette, off-the-shoulder neckline with beaded detailing, and a drape chiffon down from waist to the floor. The actress looked radiant wearing this yellow celebrity dress.