HORLEY, UNITED KINGDOM - MARCH 28: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) The latest edition of Waitrose Kitchen Magazine, featuring Pippa Middleton on the cover, seen on a till conveyor belt in a Waitrose store on March 28, 2013 in Horley, England. Pippa Middleton, sister of Catherine, Duchess of Cambridge is writing a monthly column for the magazine featuring casual dining ideas and recipes. (Photo by Indigo/Getty Images)