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!!!
THIS is the kind of fashion-risk we love to see at the Grammys!
Because who DOESN'T want to see Cyndi Lauper channel a superhero??
The sassy singer followed her bat signal straight onto the red carpet tonight, where she made a stand-out statement in a black Alexander McQueen frock with a built-in cape!!
She accessorized with glittering gold necklaces and bracelets, which matched her golden peep toe heels.
[Image via AP Images.]