Naomi & Liev Name New Baby

Naomi Watts and Liev Schreiber welcomed another baby boy into their lives on Saturday, and have now released his name: Samuel Kai Schreiber has joined his brother 17-month-old brother, Alexander Pete.

"Both mom and baby are doing great," said Naomi's publicist, Robin Baum.

The Australian actress and her boyfriend have been dating for three years, and were both in The Painted Veil in 2006.