Naomi Watts has named her newborn son Samuel Kai. The 40-year-old actress - who welcomed the baby, who weighed a healthy 7lb 13oz, into the world on Saturday - chose the name with the help of her husband Liev Schreiber, the couple's representative revealed.

The spokesman added: "Both mom and baby are doing great."

Naomi Watts has given birth to a baby boy. The actress and her long-term partner actor Liev Schreiber welcomed their second child into the world on Saturday.

Although the couple are remaining tight-lipped on their new addition's name, the actress' representative said: "I can confirm Naomi and Liev had a baby boy."