Sous chef Mark Stewart prepares a tray of Mini Yorkshire Puddings with Roast Beef and Horse Radish Cream canapes at Buckingham Palace in London March 25, 2011. Staff at Buckingham Palace have lifted the lid on preparations for Prince William's wedding next month, giving an insight into what guests can expect and the amount of work they have put in to make the event a success. Picture taken March 25, 2011. Reuters Pictures