Marilyn Monroe was 28 in The Seven Year Itch when she played the character 'The Girl'.
That was over 69 years ago in 1955.
In 1962 she died aged just 36, starring in 94 films in her career, 69 of those after The Seven Year Itch was first released. If she were alive today she would be 98.
In The Seven Year Itch, I think Marilyn Monroe looks: