Hilary Duff, 24, and her husband Mike Comrie, 31, welcomed baby boy, Luca Cruz Comrie, on Tuesday, March 20.
Duff shared the news on her personal website Thursday 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.