LONDON, ENGLAND - MAY 18:  Queen Elizabeth II and Prince Philip return to Buckingham Palace after attending the Houses of Parliament on May 18, 2016 in London, England. The State Opening of Parliament is the formal start of the parliamentary year. This year's Queen's Speech, setting out the government's agenda for the coming session, is expected to outline policy on prison reform, tuition fee rises and reveal the potential site of a UK spaceport.  (Photo by Chris Ratcliffe/Getty Images)