Geraldine Somerville was 36 in Harry Potter and the Prisoner of Azkaban when she played the character 'Lily Potter'.
That was over 20 years ago in 2004.
Today she is 57, and has starred in 30 movies in total, 16 of those since Harry Potter and the Prisoner of Azkaban was released.
In Harry Potter and the Prisoner of Azkaban, I think Geraldine Somerville looks: