Bai Ling was 16 in At the Beach when she played the character 'Lu Xiao Mei'.
That was over 40 years ago in 1984.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 57, and has starred in 102 movies in total, 96 of those since At the Beach was released.
In At the Beach, I think Bai Ling looks: