Keira Knightley and James Righton welcome first child

Keira Knightley and her husband, musician James Righton, have welcomed their first child.

A source confirmed the happy news about the "The Imitation Game" star to People on Tuesday. Details on the birth, including the baby's name and when the little one was born, were not provided.

It was revealed in December that Knightley, 30, was pregnant. The pair reportedly opted to keep the baby's gender a delivery surprise.

She and Righton, the keyboardist for the Klaxons, tied the knot in May 2013.