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!!!
Hedi Slimane needs to put these two in an ad campaign already!
Mossy made her entrance in a black mini dress with chiffon inserts along the bust, showing off her tanned and toned legs in a pair of Louboutin pumps.
Still such a hottie after all these years!
For his part, Jamie slipped on a navy double-breasted Saint Laurent coat over a pair of skinny black jeans, breaking up the dark hue with a teal collared shirt.
Must be kinda surreal to attend a viewing of artwork inspired by your wife's image!
We can only imagine.
[Image via Getty Images.]