BLETCHLEY, ENGLAND - JUNE 18: Catherine, Duchess of Cambridge, wearing an Alexander McQueen outfit, visits Bletchley Park, where her grandmother was a codebreaker, on June 18, 2014 in Bletchley, England. (Photo by Anwar Hussein/WireImage)
BLETCHLEY, ENGLAND - JUNE 18: Catherine, Duchess of Cambridge, wearing an Alexander McQueen outfit, visits Bletchley Park, where her grandmother was a codebreaker, on June 18, 2014 in Bletchley, England. (Photo by Anwar Hussein/WireImage)