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According to a royal commentator, the Queen only answers her mobile phone to two numbers - and neither are her sons'.
Nonetheless, she'll only pick up if the call is from one of two people - her daughter Princess Anne and her racing manager John Warren.
As for her other three kids - Prince Charles, Prince Andrew and Prince Edward - maybe they can at least call her on her landline?
Sacerdoti told US presenter Christina Garibaldi: "Apparently the Queen has two people who she speaks to the most on her phones."
He added: "She also apparently has a mobile phone which is said to be Samsung packed with anti-hacker encryption by MI6 so nobody can hack into her phone.
"But the two people she phones the most are said to be her daughter Princess Anne and her racing manager John Warren."
Especially if Warren calls, 'she answers', with Sacerdoti saying: "He is the son-in-law of the Queen's friend, the late Earl of Carnarvon and his home was Highclere castle in Berkshire which viewers of TV may know better as Downton Abbey."
For those not in the know, Warren is considered to be one of the world's leading thoroughbred horse advisors.
He holds the prestigious position of Bloodstock and Racing Advisor to the Queen, who herself has been involved in horses for over 70 years.
As said by Britain Magazine, she first attended the Royal Ascot in 1945 when she was just 19 years old.
In other royal news, earlier this month it was revealed that despite being wealthy beyond all measure, the Queen bought every member of her staff an £8 present from Tesco for Christmas.
'If it ain't broke, don't fix it' is apparently Her Majesty's approach to festive gift giving and the infamous Christmas pudding is yet again her choice.
"About 1,500 Christmas puddings paid for by the Queen (through the Privy Purse) are distributed to staff throughout the Palaces, staff in the Court Post Office and Palace police," reads the Royal Family website.
"Each pudding is accompanied by a greeting card from the Queen and The Duke of Edinburgh."
In the past, the Queen would opt for a big Harrods or Fortnum & Mason order - but these days Tesco seems to be the grocer of choice, as per Hello! Mag.
Every little helps, I guess.
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