He's been dating TV producer Lindsay Shookus, 37, since last year.
And Saturday night saw Ben Affleck, 45, take his woman out for a date night.
Sporting a casual ensemble, the pair were seen enjoying an early dinner at Santa Monica's Capo restaurant.
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Date night: Ben Affleck was seen heading to a romantic dinner with his girlfriend Lindsay Shookus, 37, on Saturday
Ben wore a salmon colored T-shirt underneath a leather jacket for the outing.
He paired the top with dark denim jeans and black sneakers.
Parking in the Valet stand, the actor was seen waiting for his lady-love to exit the vehicle.
Casual: Ben wore a salmon colored T-shirt underneath a leather jacket for the outing
Beauty: Lindsay stunned in an off-the-shoulder black sweater and blue denim jeans
Lindsay stunned in an off-the-shoulder black sweater and blue denim jeans.
The TV Producer completed her look with blush block mules.
Earlier in the day, the Batman actor was seen wearing the same outfit while taking his youngest kids Seraphina, nine, and Samuel, six, out for sodas.
Dad duty: Ben Affleck was seen taking his kids Seaphina, nine, and