Britain's Prince Harry (L) shares a joke with Prince Seeiso of Lesotho as they attend the Sentebale Concert at Kensington Palace in central London on June 28, 2016 in London.
Prince Harry will be joined by co-founding Patron Prince Seeiso of Lesotho to watch the concert and will deliver a speech on stage during the evening. The event will raise funds to support Sentebale's work helping vulnerable young people in Lesotho and Botswana. / AFP / POOL / Dominic Lipinski        (Photo credit should read DOMINIC LIPINSKI/AFP via Getty Images)