The Duke of York with his daughters, Princess Eugenie (left) and Princess Beatrice, leave Buckingham Palace to talk to revellers on The Mall attending the Patron’s Lunch in honour of the Queen’s 90th birthday. PRESS ASSOCIATION Photo. Picture date: Sunday June 12, 2016. The Queen’s grandson Peter Phillips has masterminded the street party for 10,000 people, to mark the monarch’s patronage of more than 600 charities and organisations. See PA story ROYAL Birthday. Photo credit should read: Dominic Lipinski/PA Wire