Keira Knightley was 20 in Pirates of the Caribbean: Dead Man's Chest when she played the character 'Elizabeth Swann'.
That was over 18 years ago in 2006.
Today she is 39, and has starred in 63 movies in total, 37 of those since Pirates of the Caribbean: Dead Man's Chest was released.
In Pirates of the Caribbean: Dead Man's Chest, I think Keira Knightley looks: