Jessica Chastain Couples Up with Boyfriend Gian Luca Passi de Preposulo at amfAR Cannes Gala!

Jessica Chastain stuns in a backless gown while stepping out on the red carpet at the 2017 amfAR Gala held during the 2017 Cannes Film Festival at Hotel du Cap-Eden-Roc on Thursday (May 25) in Cap d’Antibes, France.

The Oscar-nominated actress was joined at the event by her longtime boyfriend Gian Luca Passi de Preposulo as well as fellow Cannes juror Will Smith.

Jessica posted photos of herself at the event on Instagram along with a quote from A.E. Housman. Go to her page to check that out!

FYI: Jessica is wearing a Prada dress and Piaget jewelry.

10+ pictures inside of Jessica Chastain at the annual event…