Geraldine Somerville was 41 in Harry Potter and the Half-Blood Prince when she played the character 'Lily Potter'.
That was over 15 years ago in 2009.
Today she is 56, and has starred in 30 movies in total, 11 of those since Harry Potter and the Half-Blood Prince was released.
In Harry Potter and the Half-Blood Prince, I think Geraldine Somerville looks: