Instagram/Jennifer Garner & Ben Aff Celebrity Jennifer Garner & Ben Affleck reunite for son Samuel's 14th birthday paintball outing. See photos and details on their co-parenting focus. March 16, 2026 AceShowbiz - Jennifer Garner and Ben Affleck reunited to celebrate their son Samuel's 14th birthday with a family outing at Combat Paintball Park in Castaic, California. The pair were photographed together on Saturday afternoon, carrying paintball gear as they prepared for the day's activities.