"But the two people she phones the most is said to be her daughter Princess Anne and her racing manager John Warren."
Multiple reports about the Queen's health sparked concern she may not be up to hosting Christmas festivities, however sources close to the monarch say she is feeling "much better".
This year her festive guests include Charles and Camilla as well as William, Kate and their children George, Charlotte and Louis.
Others include Prince Edward, Princess Anne, Princess Beatrice and Princess Eugenie, along with their partners and children.
A source told the outlet, "The Queen has told everyone she is feeling far better of late and is very much looking forward to welcoming them for Christmas.
"Like many other families, this will be the first time Her Majesty can gather with her extended family after being kept apart for so long due to the coronavirus pandemic."