LONDON, ENGLAND - FEBRUARY 07: Catherine, Duchess of Cambridge attends St Clement Danes Church for a service to mark the 75th Anniversary of the RAF Air Cadets on February 7, 2016 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - FEBRUARY 07: Catherine, Duchess of Cambridge attends St Clement Danes Church for a service to mark the 75th Anniversary of the RAF Air Cadets on February 7, 2016 in London, England. (Photo by Samir Hussein/WireImage)