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.]
Little Miss Sunshine channeled 1960s glam in a turquoise A-line dress featuring a very boobilicious neckline.
Abigail tried to tone down the seXXXy with a jeweled sweater, which ended up HIGHlighting her chest even more.
Next time, we suggest a higher neckline and shorter hem, because this ensemble really ages the 17-year-old actress!
What do U think???
[Image via Getty Images.]