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.]
The German beauty precariously walked down the black carpet at the Chateau Marmont in a belly-baring Cushnie et Ochs dress worn with a Vanessa Bruno draped over her shoulders.
We give her props for wearing such a bold look, but we think it's best if she sticks to Chanel.
What do U make of Diane's ensemble???
[Image via KM/FameFlynet Pictures.]