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!!!
She donned a black lace dress which put her toned stems on display, making her peep toe even HAWTter.
There was also a lot of diamond jewels, but it’s Mariah so bling is to be expected!
What a gorgeous ensemble to party in with AI's finalists!
[Image via FayesVision/WENN.]