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!!!
Dita Von Teese looked phenomenal on Thursday after working on her pilates body.
The burlesque beauty was seen leaving a West Hollywood studio wearing a black trench, ballerina flats and a fierce leopard print bag.
Still chic after a workout? Jealous!
[Image via Fame Pictures.]