The 49-year-old actress was spotted sneaking in some quality time with her 12-year-old on Saturday.
Keeping it casual for their mommy/daughter date, Garner sported a pair of black yoga pants, plain white tee, a denim baseball cap, and sneakers.
Wearing her dark locks up in a ponytail, she slipped on her red face mask and did a little window shopping with her middle child.
Garner and Seraphina took a break from the warm L.A. temperatures by stopping into a juice shop to fuel up.
The 13 Going on 30 actress was photographed grabbing her daughter's hand as the duo made their way back to their parked car with their liquid treats.
Garner and Affleck share three children -- daughters, Violet, 15, Seraphina, and son, Samuel, 9.
While the duo are committed to co-parenting, Garner's been pulling a lot of the weight lately now that Affleck is focused on his relationship with J Lo.
Hours before Garner was spotted with their daughter, the Argo actor was photographed riding his hog over to the singer's home.
Affleck was seen revving his engine while on his motorcycle as he reunited with his lady.
The couple -- who live on opposite sides of the coast -- has been traveling to one another every chance they get.
Affleck has made a trip to Miami, and J Lo has flown to Southern California multiple times to see her beau.
It's rumored the Love Don't Cost a Thing singer will be making L.A. her permanent home with many speculating she'll be "moving in" with Affleck.
J Lo added fuel to those rumors when she was spotted looking at a school for her 13-year-old twins, Max and Emme, near Affleck's mansion.
Garner was spotted looking blue at the beach following the move-in rumors, despite not having any interest in Affleck's reunion with J Lo.
Affleck's ex-wife "doesn't want to be a part of the circus or media attention in any way," a source told E! News.
"She's trying to live her life and raise her kids and the last thing she wants to be doing is be dealing with Ben's love life," the source revealed, adding, "Her focus is always on the kids' happiness and Ben being a good father."