The 45-year-old actress looked completely made-under in loose grey clothes and minimal makeup as she shot several scenes around the streets of Los Angeles. Pictures of the shoot find the Friends star making several sad and worn-out expressions.
Aniston dyed her hair slightly darker than usual for her role as Claire Simmons in the Daniel Barnz-directed film. Cake tells the story of a "grieving mother suffering from chronic pain in the aftermath of a fatal car accident finds an unlikely source of inspiration."
Anna Kendrick, Britt Robertson and Chris Messina also star on the flick. The comedic drama is scheduled to hit theaters in 2015.
Celebrity Families of 2014 [PHOTOS]