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.
13. A Bug's Life
Barbara Windsor being held aloft during a celebrity fashion show to launch the premiere of the new Walt Disney film 'A Bug's Life', at the Commonwealth Institute, Kensington in London, in 1999. Photo: Rosie Hallam
14. Old pals act
Composer Lionel Bart encouraging Barbara Windsor during dress rehearsals for Twang! in 1965. Photo: PA