Article continues below advertisementOK! can reveal Queen Elizabeth II's private apartments at the Palace of Holyroodhouse are set to open to the public for the first time, offering royal fans an unprecedented glimpse into the late monarch's personal life in Scotland.The special access will run for 100 days between May 21 and September 10, 2026, marking what would have been Elizabeth II's centennial. The late Queen, who died in 2022 at age 96, regularly stayed at the Edinburgh residence with her husband, Prince Philip, who died in 2021 at age 99, during official visits to Scotland.