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.]
Throughout 2010, Taylor Momsen's been wearing a white studded corset while performing with her band the Pretty Reckless — and now we know who's responsible for it!
Stephanie's sexy studded lingerie is also a favorite of Lady GaGa.
[Image via Will Alexander/WENN.]