 Slim later wrote that Hayward had been the one love of her life even though he had left her for Pamela Churchill, who, like Slim, had gained much of her early celebrity as a socialite and by marriage.Slim's next and last husband was British banker Kenneth Keith, whom she left in 1972 after a 10-year marriage.Keith banished Capote from her life when he used her as the unflattering model for the fictional Lady Coolbirth of his infamous and unfinished "".