Popsugar Fashion Kate Middleton Princess Diana and Kate Middleton Wearing Catherine Walker Princess Diana Loved This Brand So Much, Even Kate Middleton Has Become a Fan August 29, 2018 by Morgane Le Caer View On One Page Photo 6 of 41 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 6 Princess Diana Diana opted for a tartan Catherine Walker gown when she attended a charity function in February 1991. Previous Next Start Slideshow The RoyalsFashion DesignersNostalgiaKate MiddletonCoatsDressesCelebrity Street StyleCatherine WalkerOuterwearPrincess Diana