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!!!
The singer slash actress arrived at the Ed Sullivan Theatre ahead of her appearance on The Late Show with David Letterman in NYC on Thursday looking adorably comfy and cute in a loose pocket tee and olive green Rachel Zoe leather pants with buckled cuffs.
It's crazy how chic she looks in even such a simple ensem!
Nevertheless, we have a feeling she'll change into something dressier when it's time to go on air.
[Image via Josiah Kamau/Buzz Foto.]