02/04/2012 05:49 BST | Updated 01/06/2012 06:12 BST

Bruce Willis Welcomes Fourth Daughter, Mabel Ray Willis

Bruce Willis has become a father for the fourth time.

The 57-year-old actor and his wife Emma Heming welcomed a baby girl called Mabel Ray yesterday, his representative has confirmed.

According to ET Online, the couple are said to be "overjoyed" at their new born baby girl, who weighed in at 9lbs. 1oz.

Bruce already has three daughters from his previous marriage to Demi Moore - 23-year-old Rumer, 20-year-old Scout and 18-year-old Tallulah.

He married 33-year-old Emma in 2009, and they confirmed they were expecting their first child together in January.

After the announcement, a source told Life & Style magazine: "Bruce is going to have another baby girl in his life. He is overjoyed.

"They're very happy about their new baby coming into the world. Bruce has been doting on Emma and has been very sweet with her."