LONDON, UNITED KINGDOM - JUNE 15: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Prince Harry attends The Household Division's Beating Retreat at Horse Guards Parade on June 15, 2017 in London, England. Beating Retreat refers to a military drum call from the 16th Century used to recall nearby units to their garrison. It has developed into a musical ceremonial event that is performed annually at Horse Guards Parade. (Photo by Max Mumby/Indigo/Getty Images)
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Getty Images Entertainment Max Mumby/Indigo