FIRST PIC: Jennifer Garner Goes for Drive After Giving Birth

Credit: X17online.com

Ridin' around in her automobile!

Jennifer Garner briefly emerged in Pacific Palisades, Calif. on Wednesday -- behind the wheel of her Land Rover.

Just over a week ago, the Arthur actress, 39, gave birth to Samuel Garner Affleck, her first son and third child with husband Ben Affleck. It's no surprise that Garner is out and about already: Just days before Samuel's birth, she and Affleck treated daughters Violet, 6, and Seraphina, 3, to a day at Disneyland in Anaheim, Calif.

During the adorable family outing, Garner rode "It's a Small World," and Affleck, 39, treated Violet to a pretzel.

Affleck, announced Samuel's birth via Facebook, noting the family was "happy" and that his son was "healthy."

A family friend who's already met Samuel cooed that the celeb baby is a "peanut."