April 21, 2017 13:23 IST

Queen Elizabeth’s 91st birthday: Rare and unseen pictures of Britain's Longest Reigning Monarch

1 of 3 England Queen,Queen Elizabeth II 91st birthday,Queen Elizabeth II,Queen Elizabeth II birthday,Queen Elizabeth II birthday special,Queen Elizabeth II rare pics,Queen Elizabeth II rare images,Queen Elizabeth II rare stills,Queen Elizabeth II rare pictures,Q
Queen Elizabeth II delivers an address to both houses of parliament at the Palace of Westminster May 5 watched by Prince Philip (R). Credit: Reuters
2 of 3 England Queen,Queen Elizabeth II 91st birthday,Queen Elizabeth II,Queen Elizabeth II birthday,Queen Elizabeth II birthday special,Queen Elizabeth II rare pics,Queen Elizabeth II rare images,Queen Elizabeth II rare stills,Queen Elizabeth II rare pictures,Q
Britain's Queen Elizabeth II (L) and South African President Nelson Mandela listen to national anthems prior a banquet March 12. The Queen is in South Africa, the first to the country since 1947. Credit: Reuters
3 of 3 England Queen,Queen Elizabeth II 91st birthday,Queen Elizabeth II,Queen Elizabeth II birthday,Queen Elizabeth II birthday special,Queen Elizabeth II rare pics,Queen Elizabeth II rare images,Queen Elizabeth II rare stills,Queen Elizabeth II rare pictures,Q
Queen Elizabeth II smiles as she attends the Commonwealth Day reception at Marlborough House in London March 14. Credit: Reuters