The Queen has been pictured hosting virtual audiences with ambassadors for the first time since testing positive for covid.
The head of state's recovery seemed to be progressing as she appeared via video link from her Windsor Castle home to speak to dignitaries at Buckingham Palace.
It comes after a number of similar engagements were postponed last week.
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The monarch tested positive for the virus on February 20 and Buckingham Palace said at the time she was experiencing "mild cold like symptoms".
During the two audiences the Queen wore a green dress with a large brooch and her trademark pearls.
A diplomatic reception the monarch was due to host at Windsor Castle on Wednesday was also postponed.
The Queen was due to meet hundreds of members of the Diplomatic Corps but Buckingham Palace said on Saturday she had accepted the Foreign Secretary's advice to delay the event.
It is understood the decision was made because of Russia's invasion of Ukraine.
The nation's longest reigning monarch, who is believed to have been triple vaccinated, recently spent more than three months resting, on doctors' orders.
In the autumn she pulled out of attending the Cop26 climate change summit, the Festival of Remembrance and then the Remembrance Sunday Cenotaph service due to a sprained back.
She also missed the Church of England's General Synod.
The Queen now regularly uses a walking stick and has been pictured looking frailer recently.
She remarked during a Windsor Castle audience last month: "Well, as you can see, I can't move."
Her lights duties as head of state include working from her red boxes, sent to her every day and containing policy papers, Foreign Office telegrams, letters and other State papers which have to be read and, where necessary, approved and signed.
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