During the locker room scene at the tennis club (about 1 hour 8 minutes), Emmanuelle takes off her dress twice. Once in the far shot, and again in the close up shot.
(at around 1 min) When Emmanuelle is on the plane, she closes the blind fully and curls up. A fellow passenger sits down and embraces her. In addition to the high spotlight on her cleavage, there's a bright light coming from the direction of said covered window.