Autumn Reeser has given birth to a son, the U.S. actress' husband announced via Twitter Thursday.
Reeser was "amazing" throughout the delivery, Warren said.
Warren, who has been married to Reeser since 2009, said their baby was 20 inches long and weighed about 7 pounds at birth, People.com reported.
Reeser is a cast member of the superhero series "No Ordinary Family."
She previously co-starred on "The O.C."
