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.]
For the amFAR Milano gala in Italy, Lindsay Lohan dressed in black with a Phillipp Plein dress, Prive jewelry by Sonia and Katia Gaydamack, and Zanotti shoes.
The gala benefited AIDS research, as amFAR has for over 25 years now.
If you look closely, you can see her back tattoo under the sparkle.
[Image via Getty Images.]