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!!!
Marc Jacobs went in a completely different direction with his fall collection. Rather than following the 1970s trend, which he already did for spring, MJ decided to create something "strict and severe".
At last night's show, the models walked to the sounds of Marilyn Manson's Beautiful People while wearing fitted outfits of lace, latex and polka dots.
We can already hear the sounds of celebrities drooling, so don't be surprised if you see lots of Marc's designs popping up on the red carpet.
[Image via Jeff Grossman/WENN.]