Jennifer Garner: Park Playtime with Samuel & Seraphina!

Jennifer Garner holds on to her baby boy Samuel as they play at a local park on Thursday (July 5) in Santa Monica, Calif.

The 40-year-old actress also brought along her daughter Seraphina to join in on the fun.

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The day before, Jen and her husband Ben Affleck took their kids, including oldest daughter Violet, to an Independence Day parade to celebrate the Fourth of July.

After the parade, the happy family headed off to a friend’s holiday party.