The black and white photos taken on August 15, 1945, show jubilant crowds gather in Piccadilly Circus and Shaftesbury Avenue, as the Second World War - which had been waged from 1939 to 1945 - came to an end.
Bonfires were held in China Town, as American soldiers joined Britons in the streets of the capital for the celebration.
One picture shows the moment a Royal coach procession left St Paul's Cathedral where King George, Queen Elizabeth and Princesses Elizabeth and Margaret had attended a Thanksgiving Service.
Meanwhile, crowds at Downing Street cheered Prime Minister Clement Attlee.
Another impressive shot shows the view which greeted the King from Buckingham Palace on VJ Day. Crowds stretch from Queen Victoria's monument along the Mall.
The parties lasted well into the early hours of the next day with pictures showing people dancing through the night at the Peabody Buildings, Hammersmith.
The conflict against Japan endured three months beyond Victory in Europe (VE) Day on May 8 1945, with brutal fighting only ending with the Japanese surrender on August 15.
The US celebrates VJ Day several weeks later than the UK, on September 2 - because that was when the official surrender documents were signed.
Today's VJ commemorations will include a memorial service at the National Memorial Arboretum near Lichfield in Staffordshire led by Prince Charles and his wife the Duchess of Cornwall.
The televised service will include a two-minute silence at 11am to remember the millions of people who died in the war.
This commemorations have had to be adapted to accommodate restrictions imposed because of the coronavirus pandemic