The couple debuted their gorgeous little boy during their a Fourth of July celebration in Pacific Palisades, and RadarOnline.com has the picture.
With his father's eyes and his mother's pouty mouth, the brown-haired baby looked a chubby delight.
Earlier in the day, the proud parents had taken their two older children Violet, six, and Seraphina, three, to watch the parade all dressed in red, white and blue.
The family is set to go to Puerto Rico soon where Ben, 39, will film scenes for Runner, Runner with Justin Timberlake.
Ben and Jen were recently seen taking Samuel to go and get his first passport so he can jet-set with his A-list family