She's a business owner and a successful actress.

But Jessica Alba's top priority on Friday was being a mom, with the 38-year-old spotted out in Beverly Hills with her 1-year-old son Hayes.

The Fantastic Four star was spotted at a children's birthday party at a local park with full hands and baby Hayes on her hip.

Her ensemble evoked the '70s with a pair of high-waisted belted brown paper-bag pants and maroon, beige and green color blocked track jacket.