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Catherine, Duchess of Cambridge pulled from Amanda Wakeley’s previous collections to find the formal evening gown look she wore to an event honoring the Prince Charles-founded charity In Kind Direct in London this week. The British designer originally showed off the look as part of her fall 2006 collection, and sent it down the runway in a shade of pale ivory-yellow with black criss-crossing beaded straps. The update for the Duchess included changing the color to a shade of ice blue, adding silver beads rather than black, and moving the waist up to right beneath the bustline. Take a closer look at the dress in the gallery.

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Catherine, Duchess of Cambridge came out from behind her royal walls yesterday to support the opening of a children’s unit at the Royal Marsden cancer center in London looking so chic. While she is partial to shades of navy, she chose a lighter neutral with this three-quarter sleeve Amanda Wakeley dress, which the British designer describes officially as an “oatmeal” hue. The exact style is available online at amandawakeley.com for $700. However, the only size left is 16; the other sizes sold out after the Duchess wore the look.

Plus! Click through the gallery to see Catherine in another Amanda Wakeley design.

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