Matthew Mcconaughey is a dad again, according to U.S. reports.

The movie star's wife Camila Alves gave birth on Friday morning (28Dec12) at a hospital in Austin, Texas, reports Tmz.com.

MCConaughey first announced the news his partner was pregnant in a tweet back in July (12) - a month after he and Alves wed.

The couple has been dating since 2006. MCConaughey and Alves already have two kids, Levi, four, and two-year-old Vida.

Details of the newborn's sex and name were not available when Wenn went to press.