By Caitlin Petreycik
Updated Oct 30, 2011 @ 10:00 am
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Retna (2); Getty

Catherine, Duchess of Cambridge’s signature evening style is long, floaty and pastel! The royal recently wore an ice blue Amanda Wakeley design with beaded straps, and she's also been seen in lilac Alexander McQueen and sparkling blush Jenny Packham. Which look is your favorite? Cast your vote in the poll below!