Jennifer Aniston & Justin Theroux: American Cinematheque Award Gala!

Jennifer Aniston and her fiance Justin Theroux attend the 2012 American Cinematheque Award Gala held at the Beverly Hilton Hotel on Thursday (November 15) in Beverly Hills, Calif.

The 43-year-old actress helped honor her Along Came Polly co-star Ben Stiller at the gala, who was roasted during the evening by a bunch of his celeb pals.

Ben received the gala’s big award, which is presented annually to “an extraordinary artist currently making a significant contribution to the art of the Moving Picture.”

Also pictured inside: Ben and his wife Christine Taylor, as well as Young Adult actor Patton Oswalt.

FYI: Jennifer is wearing a Valentino dress.

20+ pictures inside of Jennifer Aniston and Justin Theroux at the gala…