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.

The 37-year-old former Disney Channel star was there to support her former How I Met Your Father castmate Christopher Lowell ...

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 lookalike son Luca attended the Broadway opening of 'The Cult of Love' on Thursday, December 12. See ...

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

So, Duff decided to give Townes a piece of steak to see what happened - and it went well! RELATED: Hilary Duff and Matthew ...

"I tend to play the classic holiday songs in the car — not that that's not a classic," Hilary Duff, who released 'Santa Claus ...

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

I can't figure out which one it is, but she just goes along for the ride." Hilary noted that she's adopted a more relaxed approach to motherhood since giving birth to Townes. She said: "There's just a ...

Hilary Duff has welcomed four children with Mike Comrie and Matthew Koma over the years. The actress became a mom in March ...