"He is a beautiful, healthy baby boy."
The baby was born Saturday night and weighs 6 pounds, 2 ounces. Aguilera, 27, was "resting and doing well," according to the message on her Web site, http://www.christinaaguilera.com/.
Aguilera said that Saturday was "a very joyful and special day for Jordan and I."
There was no immediate response Sunday to several calls seeking additional comment from Aguilera's representatives.
Aguilera and Bratman married in 2005. The four-time Grammy Award winning singer has said she learned she was pregnant during her recent "Back to Basics" tour.
