Hilary Duff hit the red carpet with her 12-year-old son, Luca, in New York City this week. The mother-son duo showed up Dec.

Hilary Duff and 12-year-old son Luca stepped out for a rare red carpet outing as they supported some of Duff's 'Younger' and ...

Hilary Duff and her 12-year-old son attended opening night of the new play "The Cult of Love" on Broadway in NYC -- see ...

Hilary Duff brought son Luca, 12, to support her former costars' respective Broadway debuts. Duff, 37, attended the Thursday, ...