When Isabel and Edgar have their last outing together, Isabel is clearly wearing red nail lacquer in the restaurant. When they say goodbye outside, her nails are no longer red.
When Isabel gets out of the taxi the driver closes the back, but when Charles-Henri hands the driver his bag the back is open again.
When Isabel and Roxy are walking towards the la Flore to meet Roxy's husband, Isabel's scarf is hanging from her pocket. When they walk into la Flore she is wearing it around her neck.