Kate Middleton Buttoned Up for Polo Match

ASCOT, UNITED KINGDOM - MAY 13: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge (L) attends the Audi Polo Challenge charity polo match, in which Prince William, Duke of Cambridge and Prince Harry competed, at Coworth Park Polo Club on May 13, 2012 in Ascot, England. (Photo by Indigo/Getty Images) Photo: Indigo/Getty Images

Kate Middleton watched Prince William and Prince Harry play polo at the Audi Polo Challenge charity match in Ascot, England, yesterday. She wore a pale blue dress by Libélula and Stuart Weitzman wedges. See her breezy look in our updated Kate Middleton Look Book.