see more

Queen Elizabeth II, wearing the Girls of Great Britain and Ireland Tiara, on her arrival at a state banquet, given in her honour, as part of the Queen's tour of the Gulf States, in Oman, 13 February 1979. (Photo by Tim Graham/Getty Images)

Queen Elizabeth II, wearing the Girls of Great Britain and Ireland Tiara, on her arrival at a state banquet, given in her honour, as part of the Queen's tour of the Gulf States, in Oman, 13 February 1979. (Photo by Tim Graham/Getty Images)