Catherine is shown wearing a yellow satin blouse. Later, when Catherine confronts Geoffrey in Alex's room, she wears an identical blouse but there are visible creases from being folded, a sign that the original blouse was exchanged with a replacement that had no time to be pressed before putting it on.
After the fight, Molly curls up on the Mini's hood and falls asleep. A car hood, directly after being driven, is far too hot for a person to lie on without burning herself.