The little boy, believed to be named Hudson, was born in the U.S, the Herald Sun reports.
“Lindsay and I are so excited to welcome our sweet little baby boy into the world. It feels so great to be a dad!!!!,” Stone tweeted on Nov. 21.
Price, known for her work on shows like “Lipstick Jungle” and “Beverly Hills, 90210” and the Aussie celebrity chef Stone, who recently took over hosting duties on “Top Chef Masters,” began dating in 2010. This is the first child for both.
When the couple announced their pregnancy in June, Stone told People, “We couldn’t be more thrilled to be starting a family together. We are over the moon.”