Well, the dress has been found ... to be a fake!
The thief who took the gown says he took the dress from Lupita's room at The London after finding the door ajar.
[Image via WENN.]
Shot in black and white, the film is set in Deauville where Coco had her first store, selling leisure jersey outfits and dealing with snotty society ladies.
In addition to Knightley, the film stars such fashion world royalty as supermodel Stella Tennant, French actress Clotilde Hesme, model Lindsey Wixson, and Unkle Karl fave Tallulah Harlech.
Also, there are SUBTITLES!
Enjoy the 18-minute film (above) and if the dialogue seems a bit AWK, it's because Karl gave his actors the script minutes before he said, "Action!"
But of course! Ha!