Hilary Duff: Friend's Baby Shower with Luca!

Hilary Duff is all smiles as she steps out with her adorable son Luca to attend a friend’s baby shower on a sunny Saturday (July 21) in Beverly Hills, Calif.

The 24-year-old actress and new mama kept it chic and casual in a black slitted skirt as she headed out.

PHOTOS: Check out the latest pics of Hilary Duff

Hil tweeted an Instagram pic of Luca and captioned it, saying, “Little turkey is four months old today! Hard to believe! Time’s flying!”

FYI: Hilary is wearing an ASTARS Brazilian Long Skirt. Hil is using her Graco car seat!

10+ pics inside of Hilary Duff and Luca headed to a baby shower…