Jamie Lee Curtis was 38 in Halloween H20: 20 Years Later when she played the character 'Laurie Strode / Keri Tate'.
That was over 26 years ago in 1998.
Today she is 65, and has starred in 85 movies in total, 40 of those since Halloween H20: 20 Years Later was released.
In Halloween H20: 20 Years Later, I think Jamie Lee Curtis looks: