Fiona Shaw was 43 in Harry Potter and the Chamber of Secrets when she played the character 'Petunia Dursley'.
That was over 22 years ago in 2002.
Today she is 65, and has starred in 50 movies in total, 26 of those since Harry Potter and the Chamber of Secrets was released.
In Harry Potter and the Chamber of Secrets, I think Fiona Shaw looks: