Jessica Chastain, Kate Mara, & Kristen Wiig Bring 'The Martian' to London
The ladies were joined on the carpet by several other members of the cast, including leading man Matt Damon.
The Martian is set to hit theaters on October 2!
FYI: Jessica is wearing an Elie Saab Haute Couture dress and Piaget earrings. Kate is wearing a Dior Haute Couture dress. Kristen is wearing a Valentino dress and Christian Louboutin shoes.