The Queen has held two virtual audiences from Windsor Castle as part of a steady stream of official duties as head of state.
She received the Slovenian ambassador Simona Leskovar, who was photographed curtseying to the monarch by video link from Buckingham Palace.
The smiling Queen could be seen on a computer screen, dressed in a dark pink floral dress.
She also spoke with the ambassador from the Islamic Republic of Mauritania, Sidya Ould Elhadj, during the video calls on Thursday.
On Wednesday, the head of state held a Privy Council meeting, her weekly telephone audience with Prime Minister Boris Johnson and video calls with two newly appointed bishops.
The monarch, 95, is adjusting to life without the Duke of Edinburgh, her beloved consort of 73 years.
Her regular audience with Mr Johnson came on the day the PM maintained his innocence over the refurbishment of his Downing Street flat after the Electoral Commission launched a formal investigation.
On Tuesday, she was photographed for the first time since Philip’s death carrying out an official public engagement, during virtual audiences with new ambassadors.
The nation’s longest reigning monarch, who is set to reach her platinum jubilee next year, is known for her dedication to duty, even while mourning the loss of loved ones.
The act of newly appointed bishops paying “homage” to the sovereign dates back to Elizabeth I’s reign.
The Queen is head of the Privy Council and the body advises her as she carries out duties as head of state.
She usually holds a weekly audience with the PM, carried out on the phone during the coronavirus pandemic, and did so last week on April 22.