01/17/2008 AT 11:00 AM EST
Actress Constance Zimmer and her boyfriend, director Russ Lamoureux, welcomed a baby girl Jan. 5, her rep tells PEOPLE. Colette Zoe Lamoureux weighed in at 8 lbs.,10 oz. at Huntington Memorial Hospital in Pasadena.
Fixed up by a mutual friend, Entourage
star, 36, and Lamoureux, 37, have been dating for just over a year. The couple announced the pregnancy
Zimmer, a former regular on Boston Legal
, plays rising lawyer rising studio executive Dana Gordon on the HBO hit.