Astrid Bergès-Frisbey was 20 in Divine Émilie when she played the character 'Marquise de Boufflers'.
That was over 15 years ago in 2007.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 36, and has starred in 19 movies in total, 18 of those since Divine Émilie was released.
In Divine Émilie, I think Astrid Bergès-Frisbey looks: