Hilary Duff: Luca Bonding Before NYC Flight!

Hilary Duff carries her sleeping son Luca while dropping by an office building on Friday (December 13) in Thousand Oaks, Calif. Earlier in the day, the 26-year-old actress stayed in shape while heading to a morning workout in West Hollywood. PHOTOS: Check out the latest pics of Hilary Duff Later in the day, Hilary posted