Before he took off for a whirlwind of publicity for Argo in NYC, Ben Affleck made sure to get in some bonding time with his little girls.

OK! GALLERY: BEN AFFLECK AND JENNIFER GARNER SHARE PARENTING LOAD IN L.A.

The actor had a daddy's day out with his girls Seraphina and Violet, and they looked to be having a blast strolling through Santa Monica together after visiting a bookstore.

Wife Jennifer Garner and baby brother Samuel did not make it out for this trip.

OK! GALLERY: JENNIFER GARNER IS GIDDY AS SHE GREETS FANS ON HUSBAND BEN AFFLECK'S 40TH BIRTHDAY!

Do you think Ben and Jen will keep growing their family?

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