We're dying to know what Kate's wedding dress will look like, but the ensembles she's worn as a wedding guest might provide some clues about what she'll wear to her own.

The dress Kate wore to Harry Meade and Rosie Bradford's wedding combined two of her fashion must-haves—the color blue and and the designer Issa. Kate wore a now iconic blue dress by the same designer for her first post-engagement appearance with William. It's clear Kate loves that bright cobalt blue—is it a possible color for her bridesmaid dresses? And even though Bruce Oldfield is the rumored designer for Kate's ceremony gown, perhaps Issa is in the running to create Kate's party dress.

Photo: Indigo/Getty Images

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