Léa Seydoux was 19 in My Friends when she played the character 'Aurore'.
That was over 18 years ago in 2006.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 38, and has starred in 51 movies in total, 46 of those since My Friends was released.
In My Friends, I think Léa Seydoux looks: