Melanie Lynskey was 16 in Heavenly Creatures when she played the character 'Pauline Parker'.
That was over 30 years ago in 1994.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 47, and has starred in 54 movies in total, 53 of those since Heavenly Creatures was released.
In Heavenly Creatures, I think Melanie Lynskey looks: