It is not the first time that Middleton has celebrated her birthday with a private and simple party.
Ok, let's get serious: Kate was never regular.
Wishing Giddy Twinkle Toes aka the Duchess of Cambridge the happiest of birthdays!
As Kate's pregnancy nears its end the Duchess opted for a low-key celebration with just eight good mates
And because she is pregnant with her and Prince William's third child, she will be off the booze.
The wedding may also mark the appearance of the Duchess of Cambridge's new royal baby, which no doubt will inherit the adorable looks of Charlotte and George. Sophie Carter, one of daughter Princess Charlotte's godmothers and Middleton's close friend, was expected to be in attendance. In addition, Middleton just turned 36 on Tuesday.
The royal couple is aware of the good things they are enjoying.
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Kate Middleton walks with Prince William and Prince Philip. It included a family portrait of the Cambridges that was taken at the Trooping the Colour in June 2017.
The Duke and Duchess of Cambridge accompanied the Queen and Duke of Edinburgh to the service.
This year has already been very busy for the family, even as preparations to welcome a new royal into the family begin.
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While Philip, 96, opted to walk, Queen Elizabeth arrived to the traditional church service by auto with a female companion.
HM The Queen at Sandringham Church service. While the duchess had previously worn the matching hat and gloves to events back in 2002. The Duchess of Cambridge has been using the same items on multiple occasions. Pictured: Prince William and Middleton leave after attending the Grenfell Tower National Memorial Service at St Paul's Cathedral on December 14, 2017 in London.
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