Heather Graham was 16 in Student Exchange when she played the character 'Dorrie Ryder'.
That was over 36 years ago in 1987.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 54, and has starred in 88 movies in total, 82 of those since Student Exchange was released.
In Student Exchange, I think Heather Graham looks: