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.]
It's hotter than we could've expected, and in addition to featuring a GORGEOUS Xtina in a cleavage-boosting dress, there's also the nekkid torso of a HAWT, HAWT man to drool over!
Ch-ch-check it out (above) and then head down to the gallery (below) for the campaign shots!