Cara Delevingne was 19 in Anna Karenina when she played the character 'Princess Sorokina'.
That was over 11 years ago in 2012.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 30, and has starred in 23 movies in total, 19 of those since Anna Karenina was released.
In Anna Karenina, I think Cara Delevingne looks: