Balthazar & Sienna: Feliz Aï¿œo Nuevo 1/1/2009 5:00 AM PT With his wife and four children nowhere in sight, Balthazar Getty headed down to Mexico with his lover Sienna Miller. Hopefully 2009 will be a better year ... for Balthazar's wife! See Also Sienna & Balthazar: The Public Groping Share on Facebook Share on X Sienna Miller Hook Ups Paparazzi Photo