overjoyed to be expecting their second child” in an announcement on Valentine’s Day — the same day UK papers had Lady Di’s pregnancy splashed across their front pages in 1984.“Secret behind that smile … a baby!” the Daily Mail front page said, with a photo of a grinning Diana.The Daily Express similarly said the “smile that says it all.”“September baby for Princess,” the Telegraph reported at the time, adding that “the Queen says she is delighted.”Diana’s pregnancy announcement was actually made