Radziwill 's marriage to Herbert Ross was her third marriage .
Their marriage ended in divorce in 1974 . `` For Princess Lee Radziwill , It 's the End of a Marriage '' , People , July 29 , 1974On September 23 , 1988 , Radziwill married for a third time , becoming the second wife of American film director and choreographer Herbert Ross .
Lee Radziwill