The Queen is currently being supervised at Balmoral Castle after Buckingham Palace revealed doctors were "concerned" about her health.
In the statement, it was revealed that "the Queen's doctors are concerned for Her Majesty's health and have recommended she remain under medical supervision".
Since then, all of the Queen's children have travelled to, or are en route, to Balmoral Castle to be by her side. The Duke of Cambridge is also journeying to the estate.