Both May and Johnson will head to Buckingham Palace on Wednesday — one to resign as Prime Minister and one to be anointed new British leader.
The UK's Queen Elizabeth II was offered help with the task, which she refused, saying: "No, no. I'm more than capable."
The royal family's carbon emissions rose 93% due to business travel in the year ending on March 31, the latest Sovereign Grant Report has revealed.
The monarch turned 93 on April 21, but the public celebration of her birthday is held on the second Saturday of June.
While Trump has worked hard to build his life into a glittering, eponymous brand, there has long been a royal-specific yearning in the Trump family.
The British capital was buzzing ahead of US President Donald Trump's state visit on Monday.
Who is in favour of America's most powerful man visiting the island and who is feeling less positive?
Strong ties with Washington are as important as ever for London, particularly as it pivots away from the European Union. But the pageantry of the visit and the commemoration of the 75th anniversary of the D-Day landings may not mask some fundamental differences of opinion.
Unexpected monarch in bagging area?
Donald Trump will make state visit to UK from June 3-5
Queen celebrates 93rd birthday at Easter service
Queen Elizabeth indulged her love of horseracing on Thursday (March 28) with a visit to England's west country where she toured the stables of trainer Paul Nicholls.
Britain's Prince Philip apologised to the woman injured in a crash that happened earlier this month.
The UK's 92-year-old monarch highlighted the importance of people who held opposing views being respectful to each other.
Which Raw Moment in politics is your favourite? Vote for this year's best.
It is customary when meeting the Queen to curtsy or bow but one little boy was so overwhelmed that he dropped to the floor and crawled out of the nearest door.
In what the British government described as a historic act of reconciliation the German president laid a wreath at the Armistice Day remembrance ceremony in London
The Queen and senior members of the British royal family have attended a remembrance concert in London to mark Armistice Day and the 100th anniversary of the end of WWI
This was our as-it-happened coverage of key news developments on the morning of Friday, July 13.
This was our as-it-happened coverage of key news developments on the morning of Thursday, July 12.
Kate Middleton and Prince William, with their three kids in tow, arrive for the christening of the 11-week-old Prince Louis.
The engagement is said to be one of Her Majesty's favourites
A spectacular artillery gun salute from Hyde Park in central London on Saturday (April 21) marked Britain's Queen Elizabeth's official 92nd birthday as part of an eventful weekend.
Star-studded concert at the Royal Albert Hall pays tribute to the British monarch
Charles is confirmed as the next head of the 53-member alliance as a meeting in London draws to a close.
Several of the bloc's leaders, and Her Majesty herself, have expressed a wish to see Prince Charles take the reins of the 53-member association.
Elizabeth wants son to succeed as head of Commonwealth