Keira Knightley was 17 in Pirates of the Caribbean: The Curse of the Black Pearl when she played the character 'Elizabeth Swann'.
That was over 21 years ago in 2003.
Today she is 39, and has starred in 63 movies in total, 45 of those since Pirates of the Caribbean: The Curse of the Black Pearl was released.
In Pirates of the Caribbean: The Curse of the Black Pearl, I think Keira Knightley looks: