Katherine Heigl was 12 in That Night when she played the character 'Kathryn'.
That was over 32 years ago in 1992.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 45, and has starred in 39 movies in total, 38 of those since That Night was released.
In That Night, I think Katherine Heigl looks: