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!!!
A classic dress for a classic beauty!
Halle Berry stepped out with her fiance Olivier Martinez on Friday in Beverly Hills for Variety's Power of Women event and they were the perfect pair!
Olivier always looks dapper, but his wife-to-be commanded attention in her black, va-va-va-voom Roland Mouret dress.
Black Jimmy Choo pumps and her dazzling megawatt smile completed Halle's simple, chic and seksi look.
Hard to believe this woman is 46. What's her secret!?
[Image via FayesVision/WENN.]