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!!!
You saw the seksi ad, now check out the making of it!
She also talks about what makes this scent and its predecessor, Florabotanica, so special!
We can't be sure, but it looks like KStew is really enjoying herself during this shoot and interview.
Watch it for yourself (above) and let us know what U think!