Members of the royal family have sent birthday wishes to the Queen as she turns 94.
The Queen is with her husband of 72 years, the Duke of Edinburgh, at Windsor Castle in Berkshire with a reduced household for their protection during the coronavirus pandemic.
Like the rest of the nation, the royals are staying away from one another as they follow the social distancing rules.
Clarence House, the home of the Prince of Wales and the Duchess of Cornwall, paid tribute to Queen Elizabeth on the official Twitter and Instagram accounts on Tuesday.
Alongside a collection of photos of Prince Charles with his mother, Clarence House wrote: "Wishing Her Majesty The Queen a very Happy 94th Birthday."
One shot shows a touching black and white picture of the Queen sitting besides the cot of Prince Charles as an infant.
Charles, who has recovered from the Covid-19 illness, is isolating at Birkhall in Aberdeenshire, Scotland, with the Duchess of Cornwall.
Kensington Palace, also sent messages from the Duke and Duchess of Cambridge on Twitter and Instagram.
William and Kate are isolating at Anmer Hall in Norfolk with their children Prince George, Princess Charlotte and Prince Louis while their Kensington Palace social media accounts shared birthday congratulations for his grandmother.
Posting a picture of William and Kate showing the Queen around the duchess's garden at the Chelsea Flower Show last year, the palace wrote: "Wishing Her Majesty The Queen a very happy 94th Birthday today!"
Other members of the family, like the Princess Royal, the Duke of York and the Earl of Wessex are all self-isolating in their own separate homes around the country.
The monarch, who was born on April 21, 1926, has asked that no special measures are put in place to mark the day amid the current circumstances, a Buckingham Palace source said.
While Queen's Elizabeth's official birthday is celebrated each year on the second Saturday of June, the actual anniversary of her birth is April 21.
For the first time in her 68-year reign, she has asked that there be no gun salute as the nation battles the coronavirus pandemic.
The Queen decided the celebratory display of military firepower would not be "appropriate" at this time.
The bells of Westminster Abbey - the church where the monarch was married and crowned - will also stay silent on her birthday for the first time in more than a decade.
The abbey is currently closed, meaning the celebratory peal which has taken place in her honour on her actual birthday every year since 2007, will not be able to go ahead.
"We are unable to ring our bells as the church is currently closed. So, it will be a virtual happy birthday this year via the abbey's social media channels," a spokeswoman for the central London church said.
Meanwhile, any phone or video calls she has with family will be kept private.
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Philip, 98, made his first major public statement on Monday since he retired nearly three years ago.
He thanked key workers including refuse collectors and postal staff for keeping essential services running during the Covid-19 outbreak.
