Los Angeles  - Kevin Costner's wife Christine Baumgartner has given birth to a baby boy, a second son for the couple, the actor's representative announced Friday.

Baumgartner, 34, gave birth to Hayes Logan Costner on Thursday night in Los Angeles, said publicist Arnold Robinson. He weighed in at 4.05 kilograms.

The couple was married in 2004 and their firstborn, Cayden, is 21 months old. Costner, 54, also has three children from a previous marriage. (dpa)