Christie Brinkley Celebrates Thanksgiving at Home with Her Kids: 'The Joy of Family' Christie Brinkley Says Daughter Alexa Ray Joel's Wedding Planning Is 'on Hold Right Now' Christie Brinkley ...
In addition to Della and Remy -- whom he shares with his current wife, Alexis Roderick -- Billy is also a father to Alexa Ray Joel, 38, whom he shares with second wife Christie Brinkley.