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!!!
Former Sopranos actress Jamie-Lynn Sigler dropped by the 3rd Annual Give and Get Fete in West Hollywood earlier this week.
For the event benefiting Dress For Success, Jamie-Lynn wore a black A-line dress and matching heels.
It's a little on the boring and matronly side and the makeup is a tad too dark, but she tried.
[Image via Adriana M. Barraza/WENN.]