Jessica Chastain Brings Boyfriend to 'Martian' After Party

Jessica Chastain is a beauty in blue while leaving Aqua Nightclub following The Martian after-party on Thursday (September 24) in London, England.

The Oscar-nominated actress was joined at the party by her boyfriend Gian Luca Passi de Preposulo.

PHOTOS: Check out the latest pics of Jessica Chastain

Jessica looked gorgeous earlier in the night while wearing a black gown on the red carpet at the movie premiere.

Make sure to catch Jessica in The Martian when it hits theaters everywhere on October 2.

15+ pictures inside of Jessica Chastain at the premiere…