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!!!
"I was just told backstage at the @KatyPerry concert (of all places!) that Riccardo Tisci is CONFIRMED at Dior. I leave #PFW for a second…"
Dior has yet to make an announcement, but considering the work he's done at Givenchy Tisci is more than qualified.
[Image via AP Images.]