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.]
Beyonce's little sis walked down the red carpet in a canary yellow asymmetrical gown and light brown pumps.
Way to work that high slit, Solange!
[Image via Mavrix Online.]