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LONDON, ENGLAND - NOVEMBER 09: The Queen And Duke Of Edinburgh open the Francis Crick Institute on November 9, 2016 in London, England. The Francis Crick Institute will be a world leading centre of biomedical research. (Photo by Luca Teuchmann/WireImage)

LONDON, ENGLAND - NOVEMBER 09: The Queen And Duke Of Edinburgh open the Francis Crick Institute on November 9, 2016 in London, England. The Francis Crick Institute will be a world leading centre of biomedical research. (Photo by Luca Teuchmann/WireImage)

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LONDON, ENGLAND - NOVEMBER 09: The Queen And Duke Of Edinburgh open the Francis Crick Institute on November 9, 2016 in London, England. The Francis Crick Institute will be a world leading centre of biomedical research. (Photo by Luca Teuchmann/WireImage)

LONDON, ENGLAND - NOVEMBER 09: The Queen And Duke Of Edinburgh open the Francis Crick Institute on November 9, 2016 in London, England. The Francis Crick Institute will be a world leading centre of biomedical research. (Photo by Luca Teuchmann/WireImage)

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LONDON, ENGLAND - NOVEMBER 09: Queen Elizabeth II and Prince Philip, Duke of Edinburgh open the Francis Crick Institute on November 9, 2016 in London, England. The Francis Crick Institute will be a world leading centre of biomedical research. (Photo by Tristan Fewings/Getty Images)

LONDON, ENGLAND - NOVEMBER 09:  Queen Elizabeth II and Prince Philip, Duke of Edinburgh open the Francis Crick Institute on November 9, 2016 in London, England. The Francis Crick Institute will be a world leading centre of biomedical research.  (Photo by Tristan Fewings/Getty Images)

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LONDON, UNITED KINGDOM - NOVEMBER 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Queen Elizabeth II attends a Co-Operation Ireland Reception at Crosby Hall on November 8, 2016 in London, England. During the reception The Queen unveiled a portrait of herself by artist Colin Davidson. (Photo by Max Mumby/Indigo/Getty Images)

LONDON, UNITED KINGDOM - NOVEMBER 08: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Queen Elizabeth II attends a Co-Operation Ireland Reception at Crosby Hall on November 8, 2016 in London, England. During the reception The Queen unveiled a portrait of herself by artist Colin Davidson. (Photo by Max Mumby/Indigo/Getty Images)

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LONDON, ENGLAND - NOVEMBER 08: (L-R) Arlene Foster, First Minister of Northern Ireland, Martin McGuinness, Deputy First Minister of Northern Ireland, Frances Fitzgerald, Minister of Justice and Equality Gov of Ireland, James Brokenshire, Secretary of State for Northern Ireland, Dr. Christopher Moran, Chairman Co-operation Ireland, Queen Elizabeth II and Artist Colin Davidson attend a Co-Operation Ireland Reception at Crosby Hall on November 8, 2016 in London, England. During the reception The Queen unveiled a portrait of herself by artist Colin Davidson (Photo by Jeff Spicer - WPA Pool/Getty Images)

LONDON, ENGLAND - NOVEMBER 08:  (L-R) Arlene Foster, First Minister of Northern Ireland, Martin McGuinness, Deputy First Minister of Northern Ireland, Frances Fitzgerald, Minister of Justice and Equality Gov of Ireland, James Brokenshire, Secretary of State for Northern Ireland, Dr. Christopher Moran, Chairman Co-operation Ireland, Queen Elizabeth II and  Artist Colin Davidson attend a Co-Operation Ireland Reception at Crosby Hall on November 8, 2016 in London, England.  During the reception The Queen unveiled a portrait of herself by artist Colin Davidson  (Photo by Jeff Spicer - WPA Pool/Getty Images)