wife of Paul McCartney, defended herself from accusations made by a former nanny at an employment tribunal in Britain on Tuesday. Sara Trumble, 26, said Mills was a rude, angry and dishonest woman who forced her to lie to McCartney. But Mills said Tuesday she treated Trumble like a daughter, showering her with gifts and foreign travel. It was the second day the case was heard at an employment tribunal in the town of Ashford, in southern England.