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Kate or Kim? That's the question!

Kate Middleton has certainly made her mark on fashion. From the blue Issa dress she wore when her engagement to Prince William was announced to her instantly classic wedding gown, it's no surprise to see the Duchess of Cambridge land on the .

But that hasn't stopped one designer who has worked with the Duchess from questioning her selling power.

“The kind of people who like Kate’s style are not the kind to rush out and copy her dress,” Roland Mouret told the February edition of Vogue. “You don’t see hundreds of women running around looking like her. To be honest, we’re more likely to get orders on a dress that Kim Kardashian’s worn.”

Point taken … but whose style do you prefer?