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!!!
Battling it out with the fashionistas!
The striking blue color and ruffled peplum detail clearly made her feel good, because you could totally tell Kathy was really feeling her outfit!
The comedian went toe-to-toe with Amy Adams who wore a similar blue gown also by Antonio Berardi, but Kathy certainly held her own!
[Image via Getty Images.]