But the design is so classic that it's super easy to find without resorting to dropping major cash for the Tom Ford original!
We found two equally affordable options that are super similar to Kate's dress.
Check 'em out ...AFTER THE JUMP!!!
This outfit will really make you do a double take!
This weekend, Lady GaGa joined Semi-Precious Weapons on stage during their set at Lollapalooza wearing a head-turning nude outfit.
But don't worry she had all the necessary parts covered!
The Lolla outfit consisted of a fishnet top and fishnet leggings, which she wore over pasties and a nude sparkly panty.
Before stripping down, Gagita was wearing a vest and boots both custom made by Tom Tom as well as gold Gianfranco Ferrè sunglasses.
She killed it from head to toe!
[Image via Getty Images.]