Jennifer Connelly and Paul Bettany have welcomed a baby girl to their brood. 'The Dilemma' star gave birth to her third child on May 31.

The new addition to the family, named Agnes Lark Bettany, made her big arrival at the couple's New York City home, her rep told Us Weekly.

"Everyone is healthy and doing well," said Connelly's rep. "The family is very excited."

It's the first little girl for the family and she's little sister to Kai, 13 (whose dad is Connelly's ex David Dugan) and Stellan, 7.

The couple announced they were expecting in December and Connelly proudly showed off her baby bump at the premiere of 'The Dilemma' in January.