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.]
Or maybe we're the ones on a giddy high!
We're absolutely enamored with the floral print wine-colored dress she wore to the opening of Miuccia Prada and costume designer Catherine Matin's Great Gatsby Dress Exhibit in New York City on Tuesday.
Naturally, she supported the designer by choosing this Prada number from the S/S 2013 collection, as well as a black clutch accented with a white flower and bow platforms from the label.
Curly raven locks and that smile with love oh so much completed Katy's look.
[Image via Getty Images.]