For what it is worth, this is from a NY Times article about then President Bush hosting the Queen of England. I doubt the moderators will allow a link to the NY Times. The article appeared on May 4 2007 if you want to search for the articles in the archives on the NY Times site.
Here is a relevent snippet.
Later in the article, when commenting on a visit President Bush made to England…..
In July 2001, the Bushes had lunch with the queen at Buckingham Palace.
And the article concludes….