3rd February 1971 London, England. Authoress Barbara Cartland is shown with her daughter the Countess of Dartmouth at a launch party at the Dorchester Hotel for her book -We Danced All Night'. [Getty Images]

3rd February 1971, London, England, Authoress Barbara Cartland is shown with her daughter the Countess of Dartmouth at a launch party at the Dorchester Hotel for her book -We Danced All Night' (Photo by Bentley Archive/Popperfoto via Getty Images/Getty Images) — see more

3rd February 1971, London, England, Authoress Barbara Cartland is shown with her daughter the Countess of Dartmouth at a launch party at the Dorchester Hotel for her book -We Danced All Night' (Photo by Bentley Archive/Popperfoto via Getty Images/Getty Images)