Sharing the information via Twitter, the "Magic Mike" star disclosed, "Camila (@iamcamilaalves) gave birth to our third child yesterday morning. Our son, Livingston Alves McConaughey was born at 7:43am on 12.28.12. He greeted the world at 9lbs. and 21 inches."
Thrilled with the new addition, he added, "Bless up and thank you for your well wishes. Happy New year, and just keep livin, Camila and Matthew McConaughey."
Little Livingston will join 2-year-old Vida and 4-year-old Levi at their home in Austin, Texas. The 29-year-old's third pregnancy was announced just one month after she married her 43-year-old partner.