Barbara Hutton granted divorce . After a birthday party with an old friend and a few days vacation in Germany , Barbara Hutton , unaccompanied , flew back to the United States on 21 november . She is seen shortly before take - off in a Pan Am office at the Rhine Main Airport , near Frankfurt . Together with this picture comes the news from Paris , that Miss Barbara Hutton , whos is an American heiress , has been granted a divorce from her fourth husband , Prince Igor Troubetzkoy . 23 November 1951