Luca was born on Tuesday evening and weighed seven pounds and six ounces.
Duff and husband Mike Comrie announced the birth via Duff’s website, saying: “Tuesday evening, we became proud parents of a healthy 7 pound 6 ounce beautiful boy. We are overjoyed and feel like the luckiest parents in the world.”
“He is surrounded by so much love!! Mom and baby are both doing extremely well.”