"The Hunger Games" actor and his wife, Felicity Blunt, welcomed son Matteo Oliver in London on Jan. 25, this rep confirmed to the Los Angeles Times on Thursday.
"I believe he is mine. We are all thrilled to welcome him to this cold, cruel world," the prolific actor quipped in a statement. "We are all thrilled that he is here and healthy."
Way to change up the boiler plate celebrity baby announcement, man.
Matteo is the Golden Globe- and Emmy-winning star's fourth child. He had three kids with his late wife, Kate Spath-Tucci, who died in 2009 after battling
This is his first child with Blunt, sister to his "Devil Wears Prada" costar Emily Blunt.
The couple announced the pregnancy in October.