Law is already a father to sons Rafferty, 17, and Rudy, 11, and daughter Iris, 13, whom he shares with ex-wife Sadie Frost. He also has a daughter Sophia, 4, with ex-girlfriend Samantha Burke. It is a first child for Harding who is now separated from Law, reported Us magazine.
"I can confirm that Jude Law and Catherine Harding are expecting a child together in the spring. Whilst they are no longer in a relationship, they are both wholeheartedly committed to raising their child," the British actor's rep said in a statement.