Queen Elizabeth II is celebrating her 93rd birthday, her birthday this year coincides with Easter Sunday.
The monarch who is the head of the Church of England, is of strong faith and celebrates at Windsor Castle with members of her family at a service held in St Georges Chapel.
The Irish Guards band will perform a rendition of happy birthday in the Queens honour, as part of Changing the Guard ceremony at Buckingham Palace.
The Queen traditionally celebrates two birthdays, she was born on 21 April 1926, her second birthday of the year is commemorated with Trooping of the Colour parade on the second Saturday in June.
The Kings Troop Royal Horse Artillery are to ride their horses and gun carriages past Buckingham Place on Monday. They will stage a 41 Gun Royal Salute at noon in Hyde Park.
At 1pm at the Tower of London on Monday, a traditional 62 gun salute will also be performed by the Honourable Artillery Company.
Queen Elizabeth II has been married to the Duke of Edinburgh, Prince Philip for more than 71-years and has held the throne for over 67-years making her the longest reigning monarch in Britain.