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!!!
The 28-year-old paired the leather and calfhair A.L.C. jacket with a simple black top and black skinnies, which is definitely dressing down.
Well, it is when you're a Kardashian.
We woud've expected her to wear a skin-tight black mini dress at the very least.
But she did pull on some very seksi knee-high lace-up Louboutin boots, which was much more true to form.
[Image via Xavier Collin/Retna LTD.]