"So excited to welcome our baby boy into the world ... he's 7 lbs., 12 oz., beautiful, healthy and we couldn't be happier," the 42-year-old star tweeted Sunday. The child's name was not revealed.
Zoe and her husband, Rodger Berman, also are the parents of a 2 1/2-year-old son, Skyler Morrison, People.com said.
Teacher apologizes for showing sexual image of herself in class
Senate Democrats to pull all-nighter on climate change