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!!!
Kourtney Kardashian ran like her life depended on it for a meeting with her sisters in Woodland Hills, California on Tuesday.
The oldest Kardashian could barely hang onto her purple hat while sporting a white peasant blouse and forest green skinnies that she paired with some fab Chloé studded booties.
Bet those were a lot easier to run in than her heels!
With such fashionable kin as she has, we think Kourt did a pretty good job keeping up!
[Image via Raef-Ramirez/AKM-GSI.]