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!!!
If we could be marooned on a deserted island, we'd be maRUINed if we didn't have Rihanna's velvet maroon jumpsuit with us.
The bad girl RiRi was seen wearing this delectable ensemb as she walked into Azzedine Alaïa's cocktail party in Paris Tuesday night.
The outfit's color was perfect against her straight honey hair and black Azzedine Alaïa suede pumps. She's got so much attitude!
Even with a big ol' snakeskin clutch and chunky neck jewelry, Princess RiRi knows how to slyly pull off any look, doesn't she??
We can only imagine that she was the belle of Mr. Alaïa's ball last night.
[Image via FameFlynetPictures.]