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!!!
What classic Christmas Day outfits!
The Duchess of Cambridge wore a plaid McQ coat dress in a quintessential shade of green, which she styled with a matching hat and Marvin K boots. She accessorized with Kiki McDonough earrings and Cornelia James gloves to complete the winter-savvy look!
Hubby Will made a dapper appearance by his lady’s side in a gray double-breasted coat, then added a pop of Christmas-y red through his tie.
Wonder if Kate had any say in what she was wearing or if she just left it to the maid!?
P.S. CLICK HERE to see Kate's 2013 style evolution!
[Image via AP Images.]