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!!!
Kate Middleton joined her husband Prince William on a visit to the Centrepoint homeless shelter on Wednesday.
For her low-key appearance, the Duchess wore a Ralph Lauren turtleneck dress, black tights, and black Rumba boots.
Wills even ditched his usual suit for a pair of cords and a blue sweater.
[Image via Mavrix Online.]