There is less than 24 hours until the centuries old tradition of Trooping the Colour takes place.
The parade marks the monarch’s official birthday in June – even though King Charles does not celebrate his actual birthday until November.
It is one of the major events in the Royal Family’s busy calendar, meaning we can expect to see prominent members of the family.
King Charles III and Queen Camilla will of course be at the event, with the pair expected to ride in a carriage together rather than on horseback.
Buckingham Palace is to yet confirm who else will be in attendance, but at last year’s event Prince William and Kate Middleton were there alongside Prince George, Princess Charlotte and Prince Louis.
Others on the balcony included Princess Anne, her husband Vice Admiral Sir Timothy Laurence, Prince Edward and Sophie, Duchess of Ediburgh.
The Duke of Kent and the Duke and Duchess of Gloucester were also in attendance but stood off to the side.
But Prince Harry and his wife Meghan were not invited to Trooping the Colour, PEOPLE reports.
In March Kate Middleton revealed she was undergoing preventative chemotherapy, and will not be at this year’s event.
The Irish Guards shared a letter from the Princess of Wales, where she wrote she was ‘proud of the entire regiment’ and apologised for being unable to make the salute.
She said: ‘I appreciate everyone trooping this year has been practicing for months, and dedicating many hours to ensuring their uniforms and drill are immaculate.
‘Being your colonel remains a great honor and I am very sorry that I’m unable to take the salute at this year’s Colonel’s Review.
‘Please pass my apologies to the whole Regiment, however I do hope that I am able to represent you all once again very soon.
‘Please send my very best wishes and good luck to all involved.’
But there is no word on when she is returning to public duties.
Kensington Palace said: ‘The Princess will return to official duties when she is cleared to do so by her medical team.
‘She is in good spirits and is focused on making a full recovery.’
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