Hilary Duff: Baby Luca Walk with Mike Comrie!

Hilary Duff and Mike Comrie step out with their adorable son Luca on Saturday (June 16) in Beverly Hills, Calif.

The 24-year-old entertainer, her 31-year-old hockey player hubby, and their 3-month-old son stopped by a FedEx store to send an envelope.

PHOTOS: Check out the latest pics of Hilary Duff

The night before, Hil took a break from mommy duties and enjoyed some time with friends. “So much fun last night! 6 am with Luca was tougher than normal ;),” she tweeted, along with a picture of her holding actor Shawn Pyfrom‘s “hipster camera.”

FYI: Hil is using her Graco infant seat and Bugaboo stroller.