LONDON, ENGLAND - FEBRUARY 07: Catherine, Duchess of Cambridge attends the 75th Anniversary of the RAF Air Cadets at St Clement Danes Church on February 7, 2016 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - FEBRUARY 07: Catherine, Duchess of Cambridge attends the 75th Anniversary of the RAF Air Cadets at St Clement Danes Church on February 7, 2016 in London, England. (Photo by Chris Jackson/Getty Images)