New Mom Hilary Duff Shows Off Fab Post-Baby Bod While Shopping for Little Luca

Can you believe Hilary Duff gave birth just weeks ago?!

The new mom, who recently welcomed son Luca Cruz with husband Mike Comrie on March 20th, was seen picking up a few goodies — including baby clothes — for her new bundle of joy this Saturday. Looking effortlessly chic, Hilary had her hands full with shopping bags as she left The Pump Station and Nurtury in Hollywood.

But this hot mama has been working hard since giving birth to little Luca!