Diane Lane was 13 in A Little Romance when she played the character 'Lauren King'.
That was over 45 years ago in 1979.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 58, and has starred in 70 movies in total, 69 of those since A Little Romance was released.
In A Little Romance, I think Diane Lane looks: