Her career spanned stage and screen across seven decades, and the hugely-popular actress was appointed Dame Commander of the Order of the British Empire (DBE) in 2016 for services to charity and entertainment.
Here, we take a look at Dame Barbara’s remarkable life.
5. Babes in the Wood
Barbara Windsor on stage at the London Palladium rehearsing her role as the Fairy in 'Babes in the Wood' pantomime in 1987 Photo: PA
6. A night at the Opera
Barbara Windsor, June Brown and Ross Kemp arriving for the 2009 British Academy Film Awards at the Royal Opera House in Covent Garden, central London in 2009. Photo: Ian West
7. Raising a glass
Old screen adversaries Barbara Windsor (right) and Pam St Clement as they look back on the good old days to celebrate the 30th anniversary of EastEnders. Photo: BBC
8. She's a dame
Barbara Windsor was made a Dame Commander of the order of the British Empire by Queen Elizabeth II during an Investiture ceremony at Buckingham Palace. Photo: Jonathan Brady