Jamie Dornan is officially outnumbered.

Taking to Instagram on Sunday, the actor’s wife, Amelia Warner, confirmed the arrival of the couple’s third child, a baby girl. The youngest member of the family joins Dornan and Warner’s eldest daughters, Dulcie, 5, and Elva, 3.

“So proud of these three glorious girls, it’s an honor being their mummy..feeling incredibly lucky today #happymothersday,” Warner wrote in recognition of the UK’s Mother’s Day, sharing a photo of three pairs of kids’ shoes.

'GAME OF THRONES' STAR PETER DINKLAGE SAYS 'FIFTY SHADES' STAR JAMIE DORNAN HELPED HIM PREPARE FOR NEW ROLE

Reports surfaced in October that the “Fifty Shades of Greystar and Warner, both 36, were expecting.

Dornan previously spoke about parenthood last year in an interview with the Sunday Times.

“Making my kids happy is a good thing for my wife and me to be driven by,” he said.

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A rep for Dornan did not immediately return our request for comment.

This article originally appeared on the New York Post.