That makes Helen Mirren the real Queen, IMHO.
Someone I know--who went to English boarding school--suggested that President Bush might have done better to follow President Franklin Roosevelt's example, than to affect pomp and circumstance. FDR served King George VI Nathan's hot dogs during a 1939 visit to Hyde Park, NY:
The King was so pleased with "this delightful hot-dog sandwich" that he asked Mrs. Roosevelt for another one.