Sarah Paulson was 19 in Friends at Last when she played the character 'Diana - Age 21'.
That was over 29 years ago in 1995.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 49, and has starred in 47 movies in total, 46 of those since Friends at Last was released.
In Friends at Last, I think Sarah Paulson looks: