see more

Britain's Queen Elizabeth II (C) delivers an address in her place next to Irish President Michael D Higgins (3L) and Britain's Camilla, Duchess of Cornwall (2L) at the State Banquet during the Irish president's state visit in Windsor, west of London, on April 8, 2014. Queen Elizabeth II welcomed the Irish president to Britain on Tuesday for the first time since the republic became independent with a banquet also controversially attended by former IRA commander Martin Guinness. AFP PHOTO / POOL / DAN KITWOOD (Photo credit should read Dan Kitwood/AFP/Getty Images)

Britain's Queen Elizabeth II (C) delivers an address in her place next to Irish President Michael D Higgins (3L) and Britain's Camilla, Duchess of Cornwall (2L) at the State Banquet during the Irish president's state visit in Windsor, west of London, on April 8, 2014. Queen Elizabeth II welcomed the Irish president to Britain on Tuesday for the first time since the republic became independent with a banquet also controversially attended by former IRA commander Martin Guinness.   AFP PHOTO / POOL / DAN KITWOOD        (Photo credit should read Dan Kitwood/AFP/Getty Images)