Royalty

Police officers outside the main entrance of King Edward VII Hospital, where Prince Philip is being treated Monday Dec. 23, 2019. Prince Philip has spent a third night in hospital in London being treated for a what is described as a "pre-existing condition", while the Queen is staying at Sandringham Estate, the traditional location for the royal family at Christmas. (Philip Toscano/PA via AP)

Police officers outside the main entrance of King Edward VII Hospital, where Prince Philip is being treated Monday Dec. 23, 2019. Prince Philip has spent a third night in hospital in London being treated for a what is described as a "pre-existing condition", while the Queen is staying at Sandringham Estate, the traditional location for the royal family at Christmas. (Philip Toscano/PA via AP)

In this image released Tuesday Dec. 24, 2019, Britain's Queen Elizabeth II poses for a photo, while recording her annual Christmas Day message to the nation, at Windsor Castle, England. Excerpts released by Buckingham Palace of the pre-recorded message to be broadcast on TV on Christmas Day, show the Queen acknowledging that both Britain and her family have endured a difficult year. (Steve Parsons/pool via AP)

In this undated photo provided by Buckingham Palace, Britain's Queen Elizabeth, Prince Charles, Prince William and Prince George smile as they prepare special Christmas puddings in the Music Room at Buckingham Palace, London, as part of the launch of The Royal British Legion's Together at Christmas initiative. (Chris Jackson/Buckingham Palace via AP)

In this undated photo provided by Buckingham Palace, Britain's Queen Elizabeth, Prince Charles, Prince William and Prince George smile as they prepare special Christmas puddings in the Music Room at Buckingham Palace, London, as part of the launch of The Royal British Legion's Together at Christmas initiative. (Chris Jackson/Buckingham Palace via AP)

FILE - In this Friday, Oct. 12, 2018 file photo, Britain's Prince Philip waits for the bridal procession following the wedding of Princess Eugenie of York and Jack Brooksbank in St George's Chapel, Windsor Castle, near London, England. Buckingham Palace says Prince Philip has been admitted to a London hospital “as a precautionary measure.” The palace said Friday, Dec. 20, 2019 that the 98-year-old husband of Queen Elizabeth II is in the King Edward VII hospital for observation and treatment of a pre-existing condition. (AP Photo/Alastair Grant, file)

FILE - In this Friday, Oct. 12, 2018 file photo, Britain's Prince Philip waits for the bridal procession following the wedding of Princess Eugenie of York and Jack Brooksbank in St George's Chapel, Windsor Castle, near London, England. Buckingham Palace says Prince Philip has been admitted to a London hospital “as a precautionary measure.” The palace said Friday, Dec. 20, 2019 that the 98-year-old husband of Queen Elizabeth II is in the King Edward VII hospital for observation and treatment of a pre-existing condition. (AP Photo/Alastair Grant, file)

FILE - In this Friday, Oct. 12, 2018 file photo, Britain's Prince Philip waits for the bridal procession following the wedding of Princess Eugenie of York and Jack Brooksbank in St George's Chapel, Windsor Castle, near London, England. Buckingham Palace says Prince Philip has been admitted to a London hospital “as a precautionary measure.” The palace said Friday, Dec. 20, 2019 that the 98-year-old husband of Queen Elizabeth II is in the King Edward VII hospital for observation and treatment of a pre-existing condition. (AP Photo/Alastair Grant, file)