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COVENTRY, ENGLAND - FEBRUARY 15: Diana, Princess of Wales, wearing a blue coat with puffed sleeves and a blue velvet hat with feathery silk fronds, is seen during a visit to the Jaguar car factory, a day after Buckingham Palace announced she was expecting her second child, on February 15, 1984 in Coventry, United Kingdom. (Photo by Anwar Hussein/Getty Images)

COVENTRY, ENGLAND - FEBRUARY 15: Diana, Princess of Wales, wearing a blue coat with puffed sleeves and a blue velvet hat with feathery silk fronds, is seen during a visit to the Jaguar car factory, a day after Buckingham Palace announced she was expecting her second child, on February 15, 1984 in Coventry, United Kingdom. (Photo by Anwar Hussein/Getty Images)