Liv Tyler's boyfriend introduces couple's newborn son

Actress Liv Tyler's boyfriend David Gardner has shared the first photo of the couple's newborn son.

"Our little one has arrived... Beautiful baby boy. Happy Valentines Day @misslivalittle," the sports agent captioned.

In the pic, their little boy held onto Gardner's finger.

The 'Leftovers' actress, 37, gave birth six weeks early on February 11. She's already mother to son Milo, 10, whom she shares with ex-husband Royston Langdon.