These twins were born within minutes of each other - but have different dads 10 hours ago Jenny Kleeman Presenter, The Gift BBC Twins Michelle and Lavinia Osbourne have always shared a special connection. But when Lavinia clicked on an email with results of an at-home DNA test in September 2022, she was filled with a sense of dread. "Maybe subconsciously I knew," she says. Her test results revealed something astonishing: non-identical twins Lavinia and Michelle don't have the same father. They were conceived naturally, grown together in the same womb, and born to the same mother within minutes of each other - but they are half-sisters. Michelle and Lavinia, 49, exist because of an incredibly rare biological process called heteropaternal superfecundation. For it to happen, a woman must produce more than one egg during the same cycle, the eggs must be successfully fertilised by sperm from different men, and the resulting embryos must survive the pregnancy.…