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.]
It was a star-studded event at the Marni for H&M launch this weekend.
And in case you were wondering Freida, Drew and Jessica were all wearing pieces from the Marni for H&M line while Shirley opted for a dress from the Marni Resort collection.