Keira Knightley was 21 in Pirates of the Caribbean: At World's End when she played the character 'Elizabeth Swann'.
That was over 17 years ago in 2007.
Today she is 39, and has starred in 63 movies in total, 35 of those since Pirates of the Caribbean: At World's End was released.
In Pirates of the Caribbean: At World's End, I think Keira Knightley looks: