Affleck and Lopez have been a steady presence in the lives of each other’s kids in the last few years, so it makes sense that they would make the effort for Affleck’s three kids: Violet, 19, Seraphina, 15, and Samuel, 12 and Lopez’s two kids:16-year-old twins Max and Emme.

The “Daredevil” co-stars split in 2015 after nearly 10 years of marriage and three children together — Violet, 19, Seraphina, 15, and Samuel, 12.

"The kids love spending time together. Ben and Jennifer always do everything for the kids to be happy," the source tells PEOPLE