Sporting a noticeable bump at the premiere of her latest film, I Hope They Serve Beer In Hell, Dominczyk, 29, is in her third trimester, according to People.
It will be the first child for Foley, 37, and Dominczyk, who wed in 2006. He was previously married to Felicity costar Jennifer Garner, but they split in 2003.
A rep for the two actors had no comment.
We have one, though: Congratulations!