Jennifer Garner & Ben Affleck Take Their Kids Trick-or-Treating!

Jennifer Garner steps out to grab some coffee on Monday morning (October 31) in Brentwood, Calif.

The 44-year-old actress went workout-chic in an all black outfit with bright blue sneakers.

PHOTOS: Check out the latest pics of Jennifer Garner

Jennifer was joined by estranged husband Ben Affleck later that day as they picked their kids up from school.

Afterwards, Jennifer and Ben took their kids – Violet, 10, Seraphina, 7, and Samuel, 4 (not pictured) – trick-or-treating.

Also pictured inside: Jennifer running errands on Saturday (October 29) and braving the rain on her way to church on Sunday (October 30).

FYI: Ben is wearing a Raffi sweater.

15+ pictures inside of Jennifer Garner and Ben Affleck out and about on Halloween…