Actress Liv Tyler and her boyfriend David Gardner have welcomed a baby boy into the world.

The Leftovers actress, who already has son Milo, 10, with ex-husband Royston Langdon, gave birth to her second son on Februray 11, reported People

magazine.

"He's healthy and everyone is very happy," a representative for the couple said.

The 37-year-old star confirmed she was expecting a baby in December.

Gardner, who is best friends with David Beckham, has a seven-year-old son called Grey with his ex-wife Davinia Taylor.

Image: David Gardner and Liv Tyler. Photograph: David Gardner/Instagram