Britain's Catherine, Duchess of Cambridge, reacts as she attends a church service at St Clement Danes in London on February 7, 2016. The Duchess of Cambridge marked the 75th anniversary year of Britain's Royal Air Force (RAF) Air Cadets in her first official engagement in her role as Honorary Air Commandant. / AFP / POOL / Eddie Mulholland (Photo credit should read EDDIE MULHOLLAND/AFP/Getty Images)
