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.]
To be perfectly honest, RiRi kind of resembles a flight attendant with her fuchsia blazer and that gold lamé kerchief tied around her neck.
Not to mention her ruffle hem pencil skirt was ill-fitting and wrinkled!
It's okay, though, even impossibly gorgeous pop stars can get it wrong sometimes.
[Image via Getty Images.]