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!!!
Avril Lavigne was one of the big acts at the Q102 Jingle Ball in Philadelphia on Wednesday, and wore an all-black ensem for both the photocall and her performance. Typical punk princess stuff!!
She paired a simple black blouse with rockin' leather pants, then added a feminine touch by wearing platform pumps.
The singer finished up her look with her signature thick eyeliner and loose hair that practically draped all the way down to her belly button!!
Certainly not very festive for the holidays, but hey. Gurl loves black!
[Image via C.Smith/WENN.]