(L-R) Britain's Prince William, Duke of Cambridge, John Hall, Dean of Westminster, Britain's Catherine, Duchess of Cambridge, Britain's Prince Harry and David Stanton, Canon of Westminster arrive for a Service of Remembrance at Westminster Abbey in central London on April 5, 2017, following the March 22 Westminster terror attacks. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince William, Duke of Cambridge, (L), Britain's Catherine, Duchess of Cambridge,(2L) and Britain's Prince Harry (R) are greeted by John Hall, Dean of Westminster, on their arrival to attend a Service of Remembrance at Westminster Abbey in central London on April 5, 2017, following the March 22 Westminster terror attacks. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
