Zhang Ziyi was 16 in Touching Starlight when she played the character 'Chen Wei'.
That was over 28 years ago in 1996.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 45, and has starred in 47 movies in total, 46 of those since Touching Starlight was released.
In Touching Starlight, I think Zhang Ziyi looks: