The actress and her husband, Brian Austin Green, welcomed their first child together, a boy named Noah Shannon, on September 27, Us Weekly confirms. Fox broke the news herself via Facebook.
"We have been very lucky to have had a peaceful few weeks at home," the actress wrote. "He is healthy, happy and perfect."
The Jonah Hex star added, "We are humbled to have the opportunity to call ourselves the parents of this beautiful soul and I am forever grateful to God for allowing me to know this kind of boundless, immaculate love. Thanks to those of you who wish to send your positive energy and well wishes. May God bless you and your families abundantly."
Fox, 26, and Green, 39, began dating in 2004 after meeting on the set of Hope & Faith. After a two-year engagement, the couple split briefly split in 2009, but became engaged again in June 2010. The stars tied the knot on June 24, 2010 in a private Hawaiian ceremony.