Buckingham Palace would not confirm or deny that the Queen has contracted coronavirus after meeting Prince Charles.
Standing alongside the Duchess of Cornwall, Charles asked the crowd to cheer loudly enough for the Queen to hear 20 miles away in Windsor.
The visit marked the first time the royal had returned to the property after his father told him he would be asked to vacate the property last month.
King Charles and his wife Camilla will return to Buckingham Palace in the rarely used horse-drawn Gold State Coach past huge crowds, before watching a ceremonial fly-past from the balcony.
Internet is blowing up with the fact that the late Prince Philip has died on the anniversary of Prince Charles and Camilla.
Accounts show Charles continued to fund the Sussexes until the summer of 2020, with a senior Clarence House spokesperson saying he allocated them the generous amount of money.
The plan comes as the government, which has set a target to reach net zero carbon emissions by 2050, plans to treble tree planting by the end of the current parliament in May 2024.
Former Vanity Fair editor Tina Brown’s new book, 'The Palace Papers: Inside the House of Windsor – the Truth and the Turmoil,' continues where Brown left off in her previous book, 'The Diana Chronicles,' just after the princess’ untimely death in a car crash in Paris.
The queen has received three jabs of coronavirus vaccine.Both her eldest son Prince Charles and daughter-in-law Camilla, Duchess of Cornwall have also recently contracted COVID-19. Charles has since returned to work.