LONDON, ENGLAND - DECEMBER 14: Prime Minister Theresa May attends The Sun Military Awards at The Guildhall on December 14, 2016 in London, England. (Photo by Fred Duval/FilmMagic)

LONDON, ENGLAND - DECEMBER 14:   Prime Minister Theresa May attends The Sun Military Awards at The Guildhall on December 14, 2016 in London, England.  (Photo by Fred Duval/FilmMagic)