Catherine, Duchess of Cambridge and William, Duke of Cambridge arrive at the ARK 10th Anniversary Gala Dinner at Perk's Field on June 9, 2011 in London, England.

more pics: http://www.gettyimages.com/Search/Search.aspx?EventId=115578213#

http://www.dailymail.co.uk/femail/article-2001737/The-Duchess-dazzles-Kate-William-bring-touch-glamour-charity-gala.html