Ben Affleck and Jennifer Lopez.Photo: Vittorio Zunino Celotto/Getty

The actor, 49, spent time with his children — daughters Violet, 16, and Seraphina, 12, and son Samuel, 9, whom he shares with ex-wifeJennifer Garner— on Christmas Eve in Los Angeles, a source tells PEOPLE.
The following day, theArgostar celebrated Christmas with Lopez, her children and his mother. The singer shares twins Max and Emme, both 13, with ex-husbandMarc Anthony.
“It was a pretty quiet holiday for them. They really enjoyed it after a busy fall,” the insider adds.
Affleck and Lopez rekindled theirromance in April before going Instagram official in Julyfor the singer’s birthday. Asource previously told PEOPLEthey “are in it for the long run.”
Ben Affleck and Jennifer Lopez.Steve Granitz/FilmMagic

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On Halloween, Garner, 49, was spotted out in Malibu, meeting up with Affleck and Lopez at one pointwith the kids for trick-or-treating.
Said a source, “Everyone gets along and the focus is always on the kids. Jennifer, Ben and Jen Garner all wanted the kids to have an amazing Halloween. The kids are friends and wanted to go trick-or-treating together. It made sense that they all went together.”
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In November, a source told PEOPLE thatit is “difficult” for Lopez and Affleck to be apartduring both of their “intense work schedules.” They are “finding time for each other whenever they can,” however.
“They are making it work though. They are incredibly happy when they are together. It’s like the distance has made them appreciate their relationship even more,” the source said. “Jennifer keeps gushing about how amazing Ben is. He makes her very happy.”
source: people.com