04/07/2011 19:55 BST | Updated 03/09/2011 10:12 BST

Sarah Jessica Parker Wore Duchess Kate's Alexander McQueen Dress First Back In 2006

So it seems that not only is Duchess Kate partial to wearing a re-run, she also likes to rummage through collection archives, too.

The cream cable-knit dress worn during her Canada tour yesterday, was not in fact a new Sarah Burton design as many first thought - it was an old Alexander McQueen creation. And more to the point, had already been worn by another stylish starlet, way back in 2006...