Continuity mistake: When Isabelle arrives in front of Roxy's apartment, you can see the cab driver close the trunk after he removes Isabelle's bags, but when Charles-Henri hands the driver his bags a moment later the trunk is still open.
Continuity mistake: When Isabel and Roxy are walking towards the La Fiore to meet Roxy's husband, there is nothing around Isabel's neck, but when they walk into La Fiore, a scarf has suddenly appeared.
Continuity mistake: When Isabel and Edgar have their final outing together, Isabel is wearing red nail lacquer in the restaurant, but when they say goodbye outside, her nails are no longer red.