But she is finding the character more of a challenge than she thought it would be.
BEND IT LIKE BECKHAM star Knightley says, "When I read the script, it seemed all my character did was wear great costumes, cower in a corner and get saved by Johnny Depp and kiss Orlando.
"It sounded really great and really easy. Suddenly I found myself doing all these fight scenes.
"I would do my fight scene with a stunt person and then repeat it without them there, so the computer people could eventually add the special effects."