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!!!
Glad to see that given their current family drama, the only sides these two are taking are in opposing styles!
For the first time since rumors began circulating that their father has been enjoying the company of, ahem, 'gentleman callers,' Jessica and Ashlee Simpson stepped out in public together last night to support the Jessica Simpson Girl's Collection at Macy's South Coast Plaza in Costa Mesa, where they posed with and signed autographs for fans!
And as you can see, the singer has obviously been able to maintain her post-pregnancy diet and is looking INCREDIBLE dressed head-to-toe in her own line, while lil' sis went bit edgier, as per usual - but still very FEROSH (above)!
Keep standing united, girls!
And LOOKING FIERCE!
[Image via Getty Images.]