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.]
Helen Mirren had a jolly old time at the New York City premiere of Arthur on Tuesday night.
The sassy senior twirled her way down the red carpet in a head to toe look from the 2011 Lanvin Resort collection.
We gotta give it to her, Dame Helen knows how to wear fashion!
[Image via Andres Otero/WENN.]