Afterwards, the family attended a parade downtown. The couple, along with daughter Seraphina, 3, watched the event, while Violet, 6, participated in the procession.
When she passed the group, Affleck had his camera in hand to snap the special moments, though he took a break from photography to get a sweet kiss from his wife.
Click through the gallery above to see more pics of baby Samuel.
Earlier this month, the 39-year-old dad accompanied his daughters to a party in Santa Monica, Calif. on Sunday, June 10, and again, captured the festivities by snapping some photos with his cell phone.
Afterward, the actor – who took home an Academy Award for Good Will Hunting back in 1997 — treated the adorable duo for ice cream at the Brentwood Country Market.
To see more of Affleck on daddy duty, click through the gallery.
Watch the video below to see how celebrities in Hollywood celebrated the Fourth of July.
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