Meghan, Duchess of Sussex has won a major legal victory in the defamation lawsuit brought against her by her half-sister. The suit against the mum-of-two, 42, was brought by Samantha Markle, 59, in March 2022, with the court claim stating Meghan had made “false and malicious statements” during her TV chat with Oprah Winfrey that aired on CBS in 2021. Samantha had also accused Meghan of falsely claiming to be “an only child” and alleged the duchess lied about the timeframe of when they last saw each other – and claimed Meghan publicly bashed her estranged dad Thomas Markle, 79, in an attempt to…