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 singer and actress could not have been any hotter in a black lace Milly dress that was completely sheer and showed off her black bra and panties underneath!
Too much? We think it's just right for celebrating her show's major milestone!
Lea accessorized with a sleek ponytail and gold Brian Atwood heels.
[Image via Nikki Nelson/WENN.]