Exclusive: Inside King Charles's Spectacular 75th Birthday Party at Highgrove House

King Charles celebrated his early 75th birthday at Highgrove House with a party hosted by the King's Trust. The event honored organizations and individuals turning 75, and featured a three-tier birthday cake and a performance by a rock choir. The King will spend his actual birthday launching the Coronation Food Project and hosting a Buckingham Palace reception. He will have a private birthday dinner at Clarence House, to which Prince Harry was not invited. King Charles is known for being difficult to buy presents for, according to his wife, Camilla.