updated 12/15/2010 AT 1:00 PM ET
•originally published 12/15/2010 AT 12:00 PM ET
Asked by PEOPLE on Tuesday about Paltrow’s prediction that the kids will get married one day, McGraw replied: “That’s what I hear. That’s what I hear. Well, he better make a lot of money!”
McGraw, 43, was speaking at a special screening in Los Angeles of Country Strong, in which he and Paltrow both star. The two families grew close while filming in Nashville – and Gwyneth and Faith developed a good friendship, says McGraw.