Jennifer Garner was seen out in Los Angeles on Saturday, marking ex-husband Ben Affleck's 54th birthday. The actress, also 54, was spotted on a solo outing before meeting up with Affleck and two of their children for lunch.

Garner was photographed picking up coffee at Brentwood Country Mart and later engaging in a morning workout with a friend. She was seen wearing casual attire, including a dark blue pullover over a gray T-shirt, green leggings, a blue baseball cap, tall socks, and green rubber mules. She carried her phone, a water bottle, and sunglasses.

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Later, Garner joined Affleck and two of their children, Fin, 17, and Samuel, 14, for a celebratory lunch. Their eldest child, Violet, 20, was reportedly out of town attending Yale University.

IMAGE4 Garner later met up with ex Affleck and two of their three children, Fin, 17, and Samuel, 14, to enjoy a celebratory lunch with the Batman star on his 54th birthday. Above, the exes in 2013

Garner and Affleck were married for 10 years, separating in 2015 and finalizing their divorce three years later. The pair share three children.

IMAGE3 Garner and Affleck were married for 10 years before separating in 2015. They finalized their divorce three years later. Above, in January 2014

In recent months, Garner has been filming for her upcoming Peacock series, "The Five-Star Weekend." In the show, she stars as a food influencer grieving her late husband and inviting friends for a weekend gathering. The series, adapted from Elin Hilderbrand's novel, explores friendships and secrets among the core group of women, including Regina Hall, Chloe Sevigny, D'Arcy Carden, and Gemma Chan.

IMAGE5 Over the weekend, the Elektra alum, also 54, showed off her natural beauty as she stepped out makeup-free in casual attire before meeting up with her ex and their kids for lunch