Maggie Smith was 79 in The Second Best Exotic Marigold Hotel when she played the character 'Muriel Donnelly'.
That was over 9 years ago in 2015.
Today she is 89, and has starred in 90 movies in total, 13 of those since The Second Best Exotic Marigold Hotel was released.
In The Second Best Exotic Marigold Hotel, I think Maggie Smith looks: