Britain's Sophie, Countess of Wessex (L), Britain's Prince Edward, Earl of Wessex and Britain's Lady Louise Windsor (R) arrive at Horse Guards Parade for the Queen's Birthday Parade, 'Trooping the Colour', in London on June 11, 2016. Trooping The Colour and the fly-past are part of a weekend of events to celebrate the Queen's 90th birthday. / AFP / OLI SCARFF (Photo credit should read OLI SCARFF/AFP/Getty Images)
