06/18/2007 at 01:00 PM EDT
Julia Roberts has welcomed her third child, a boy named Henry Daniel Moder.
Henry was born Monday in Los Angeles and weighed 8½ lbs. "The Moder family is doing great," Roberts's rep, Marcy Engelman, tells PEOPLE exclusively.
Roberts, 39, and husband Danny Moder, 38, are already parents to twins Hazel and Phinnaeus, who turned 2 in November.
The actress confirmed in December
that she was expecting baby No. 3.