LONDON, ENGLAND - MAY 23: Princess Eugenie speaks to guests during the Queen's garden party at Buckingham Palace on May 23, 2017 in London, England. A minute's silence was observed for the victims of the Manchester terror attack. (Photo by Dominic Lipinski - WPA Pool / Getty Images)
LONDON, ENGLAND - MAY 23: Princess Eugenie attends the Queen's garden party at Buckingham Palace on May 23, 2017 in London, England. A minute's silence was observed for the victims of the Manchester terror attack. (Photo by Dominic Lipinski - WPA Pool / Getty Images)
LONDON, ENGLAND - MAY 23: Camilla, Duchess of Cornwall greets guests during the Queen's garden party at Buckingham Palace on May 23, 2017 in London, England. A minute's silence was observed for the victims of the Manchester terror attack. (Photo by Dominic Lipinski - WPA Pool / Getty Images)
Britain's Camilla, Duchess of Cornwall greets guests at a Special Garden Party at Buckingham Palace in London on May 23, 2017. Twenty two people have been killed and dozens injured in Britain's deadliest terror attack in over a decade after a suspected suicide bomber targeted fans leaving a concert of US singer Ariana Grande in Manchester. / AFP PHOTO / POOL / Dominic Lipinski (Photo credit should read DOMINIC LIPINSKI/AFP/Getty Images)
Britain's Queen Elizabeth II (C) greets guests at a Special Garden Party at Buckingham Palace in London on May 23, 2017. Twenty two people have been killed and dozens injured in Britain's deadliest terror attack in over a decade after a suspected suicide bomber targeted fans leaving a concert of US singer Ariana Grande in Manchester. / AFP PHOTO / POOL / Niklas HALLE'N (Photo credit should read NIKLAS HALLE'N/AFP/Getty Images)
