Jennifer Garneris spending quality time with boyfriendJohn Miller.

On Saturday, the couple was photographed holding hands and smiling while on a walk together in Santa Barbara, Calif. They both sported blue flannels for the sunny outing.

Thecouple first began dating back in 2018, with a sourcetelling PEOPLEat the time it was “not serious, but she enjoys his company.”

Miller, who is chairman and CEO of Cali Group, owner of the CaliBurger restaurant chain, has two children with his ex-wife, violinist Caroline Campbell. Garner was married toBen Affleckuntil the twofinalizedtheir divorce in 2018. They share three kids:Violet, 17,Seraphina, 14, andSamuel, 10.

Jennifer Garner and John Miller.Backgrid

Jennifer Garner

Never miss a story — sign up forPEOPLE’s free weekly newsletterto get the biggest news of the week delivered to your inbox every Friday.

A source told PEOPLE back in 2018, “Although the divorce was just finalized, Jen has considered herself single for a long time.Dating is just a natural step. Jen will always care about Ben and help him be the best dad. She was very ready to move on though. She seems very excited about the future and is in a great place both personally and professionally.”

John Miller and Jennifer Garner.Backgrid

Jennifer Garner

Garner and Miller have remained mostly private and have never spoken about their romance publicly, nor have they made any public appearances together.

RELATED VIDEO:Jennifer Garner’s Teenage Daughter Violet Looks All Grown Up at the White House in Rare Appearance

The Adam Projectactress added that the idea of getting married again wasn’t an immediate thought.

“I don’t know. I’m so far from it. And I don’t know that marriage would need to be a part… I mean I definitely don’t think that I’ll be single forever,” Garner said at the time. “But this is not the time. I don’t need to complicate it. I’m good.”

source: people.com