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!!!
Red hot and ready to party!
She wore her hair in a sophisticated bun and held a small gold clutch, but no one could take their eyes off of her legs, which seemed to go for days.
So much shimmery and shine, Irina just can't stop glowing!
[Image via Splash News.]