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.]
Kidding! We're POSITIVE it's a very prim and proper affair!
Her slinky Cavalli lace and leopard dress and cork wedges were IDEAL for boating!
Hope you had fun, Kylie! Actually, we're sure you did! HA!
[Image via Splash News.]