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 like we're staring at a blue and white butterfly through a kaleidoscope!
But girl still brought the FIERCENESS this year when donning a curve-hugging Herve Leger two piece skirt/halter top ensemble that featured a beautiful fractured butterfly pattern (above)!
Subtle yet playful and VERY sexy… but then, Katy is never one to shy away from OOZING sex appeal!
John Mayer, eat your heart out!
We wonder if Katy Kat will get goopy green SLIME all over her pretty wings tonight?! LOLz!
[Image via Getty Images.]