LATEST: Sir Paul McCartney's estranged wife Heather Mills insists she won't be discussing their marriage break-up in her first TV interview since the split. US entertainment show EXTRA has announced she'll appear on the programme next week (begs20NOV06) sparking speculation she'd open up about leaked court papers claiming the former beatle physically abused her during their marriage. But Mills' spokesman PHIL HALL insists she'll only be discussing her vegan diet, charity campaigns and her health-and-fitness regime. MCCartney and Mills split up in May (06) after four years of marriage and began divorce proceedings in July (06). They have a three-year-old daughter, BEATRICE.