Diane Franklin was 19 in The Last American Virgin when she played the character 'Karen'.
That was over 42 years ago in 1982.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 62, and has starred in 20 movies in total, 16 of those since The Last American Virgin was released.
In The Last American Virgin, I think Diane Franklin looks: