Katharine Hepburn was 59 in Guess Who's Coming to Dinner when she played the character 'Christina Drayton'.
That was over 56 years ago in 1967.
In 2003 she died aged 96, starring in 93 films in her career, 50 of those after Guess Who's Coming to Dinner was first released. If she were alive today she would be 117.
In Guess Who's Coming to Dinner, I think Katharine Hepburn looks: