LONDON, UNITED KINGDOM - DECEMBER 18:  In this handout image released by Clarence House, the image used on The Prince of Wales's and The Duchess of Cornwall's Christmas card displays Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales as they are seen viewing horses in the parade ring from the Royal Box on the second day of Royal Ascot on June 19, 2013 in London, England. Clarence House are asking that publications which use the photograph consider making a modest donation to The Prince of Wales's Charitable Foundation - donations should be made payable to The Prince of Wales's Charitable Foundation and be sent to Amanda Foster at The Prince of Wales and The Duchess of Cornwall's Press Office, Clarence House, London SW1A 1BA. The photograph was taken by taken by Stephen Lock. Please credit taken by Stephen Lock / i-Images if you use this image. (Photo released by Clarence House via Getty Images)