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 Hunger Games star wore a Prabal Gurung gown, which put her decolletage on display through a sheer panel.
Chopard jewels and a Roger Vivier clutch completed the Best Actress in an Action Movie's ensemble.
We love the edgy, yet seksi look, but we're ready for some color, Katniss!
[Image via Getty Images.]