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!!!
Fashion and music came together under one roof last night at the 3rd annual Elle Women in Music event.
For the Hollywood bash, Jessie chose a figure-hugging Luxury Latex leopard print dress and black ankle boots.
Oh Land was at the opposite end of the spectrum in a floral print blouse and pants from Kenzo and a matching shagadelic jacket.
Also making an appearance was ousted X Factor judge Nicole Scherzinger. As per usual, Scherzy looked lovely in a navy blue Tony Ward Couture cocktail dress and black heels.
What did U think of last night's fashion???
[Image via Adriana M Barraza/WENN.]