Jaw. On. Floor!!!
Yeah, baby! Show 'em how it's done!
The skirt also featured sheer mesh side panels that gave us naughty glimpses at Katy's thighs!
And her second look of the night was just as awesome!
She just slayed us so hard!
Wow, Anne Hathaway MISSED OUT!
Though Fantine changed her mind at the last minute, we're extremely pleased that Nicole still managed to take the dress out for its red carpet debut.
It's too gorgeous to just leave gathering dust at the Valentino atelier!
Way to represent, Nicole!
[Image via Getty Images.]