LONDON, ENGLAND - JUNE 04: Troops march during the Colonel's Review, a traditional rehearsal for next week's Trooping the Colour on June 4, 2016 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JUNE 04: Troops march during the Colonel's Review, a traditional rehearsal for next week's Trooping the Colour on June 4, 2016 in London, England. (Photo by Chris Jackson/Getty Images)