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.]
She's here! She's here! She's here!
The Unconditionally singer wore a delectable mint green satin Zac Posen dress with sculpted shoulders that looked painted on her curvealicious bod!
Katy accessorized the sophisticated yet seksi look with peep-toe Charlotte Olympia pumps and a bejeweled Dolce & Gabbana headband.
We can't WAIT to see her perform later on the show! She's gonna SLAY!
[Image via Getty Images.]