The Queen is not expected to attend the Royal Family's annual Easter Sunday church service this weekend.
The royals, led by the Queen, usually attend the Easter Mattins Service at St George's Chapel in Windsor each year.
Today it was confirmed that members of the Royal Family would be at the service on Sunday as usual - but the monarch, who turns 96 next week, is not believed to be among them.
Her Majesty has been suffering from mobility problems in recent months and feels she can not commit to the service at St George’s Chapel in Windsor this weekend, royal sources have confirmed.
It comes after she also pulled out of attending today's traditional Royal Maundy Service, which is also being held at St George's Chapel.
The Queen was reportedly "regretfully unable to commit" to being at today's annual service, which usually sees the monarch distribute special Maundy money to pensioners.
It is understood that with the order of service being printed last week, the 95-year-old was keen for the arrangements to be confirmed "to avoid any misunderstanding or the day to be overshadowed".
The annual event is an important fixture in the royal calendar and will instead see Prince Charles follow the ancient tradition of distributing Maundy money to community stalwarts - with the number of 96 men and 96 women being representative of the Queen's birthday of that year - for the first time.
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The Maundy Thursday service has been cancelled for the last two years due to the Covid-19 pandemic. In 2019, Princess Eugenie joined her grandmother in Windsor for the occasion.
There have been four occasions where another member of the royal family has attended the Royal Maundy event in Her Majesty’s absence.
Palace aides have admitted in recent weeks that Her Majesty, who turns 96 on April 21, has “good days and less good days” in terms of being able to get about.
The monarch has been forced to cut back on engagements since being hospitalised for a night last October for an unspecified illness, and then being told by her doctors to rest.
In recent weeks, the Queen has been forced to pull out of several high profile events, including the Commonwealth Day service at Westminster Abbey.
The decision to cancel her appearance then was understood to be related to her comfort in travelling the 26-mile journey from Windsor Castle to London.
However, two weeks ago, she did make it to her beloved husband Prince Philip's memorial service, which was also at Westminster Abbey.
Special arrangements were put in place for the Queen’s comfort, with the service limited to 40 minutes and the monarch sitting in one of the Canada chairs but with an additional cushion.
The sovereign who recently decided to make Windsor Castle her primary residence, rejecting the possibility that she will one day move back to Buckingham Palace, has been carrying out virtual events and her other duties as head of state from her Berkshire home where she has spent most of the pandemic.