Gillian Anderson and her boyfriend Mark Griffiths welcomed a baby boy, her rep confirmed to Usmagazine.com on Monday.
Felix Griffiths, who weighed in at 6 lbs., 15 0z., was born October 15 in London.
Anderson and Griffiths are already parents to 1-year-old son Oscar.
She also has a daughter Piper, 13, from a prior marriage.
“The only thing I do when I’m pregnant is eat and sit on my butt!” the X-Files: I Want to Believe star, 40, told Us at the movie’s Hollywood premiere in July.
Her pregnancy cravings?
“I’m not really craving anything, but there’s the lazy part of me that thinks, ‘What’s the point in working out until I have the baby?’ Then we’ll actually do something!” she said.