If you want to watch the film without a total spoil, skip my text after the “continue reading” and just look at the pics. (It’s my explanation of why a body double is likely.)
The first one (of Simulant Jordana) is clearly a body double, since the real Jordana is also in the scene, and they sometimes appear in the same frame with both faces visible.
The other two images, representing the final scene in the movie, never shows a face on the naked woman, who is supposed to be Simulant Jordana after the death of the real Jordana. Given that, a body double seems likely.