LISBON, PORTUGAL - MARCH 28:  Camilla, Duchess of Cornwall during a greeting line at an official dinner at Queluz National Palace on day one of a two day visit to Portugal on March 28, 2011 in Lisbon, Portugal. Camilla, Duchess of Cornwall and Prince Charles, Prince of Wales are on a two day trip to Portugal as part of a tour to Portugal, Spain and Morroco.  (Photo by Chris Jackson/Getty Images)