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!!!
Ooh, looks like a supermodel got some inspiration from a Glee-ful actress!
Rosie Huntington-Whiteley skipped the CFDA/Vogue Fashion Fund event on Wednesday afternoon, which is just as well because if she'd worn this same outfit she'd have had an awkward moment with Lea Michele!
But like Lea, the British bombshell looked exceptional at the event's dinner at Bouchon in Beverly Hills later that night in a strapless Antonio Berardi jumpsuit, which featured a lightly textured bodice and wide-leg slacks.
Who knew a white jumpsuit could be so versatile?
[Image via David Crotty/Patrickmcmullan.com/AP Images.]