Frances de la Tour was 65 in Harry Potter and the Deathly Hallows: Part 1 when she played the character 'Olympe Maxime'.
That was over 14 years ago in 2010.
Today she is 79, and has starred in 39 movies in total, 16 of those since Harry Potter and the Deathly Hallows: Part 1 was released.
In Harry Potter and the Deathly Hallows: Part 1, I think Frances de la Tour looks: