Sir Paul McCartney's estranged wife Heather Mills will open up about her split from the former beatle next week (begs20NOV06) in a candid TV interview. US entertainment show EXTRA has announced she'll talk about the May (06) break-up in Los Angeles. MCCartney and Mills' impending divorce battle turned nasty last month (OCT06) when court papers claiming he physically abused her were leaked to the media. Through his lawyers, the singer maintained he would "vigorously" defend himself against the accusations. He has spoken only briefly in public about the split, saying it was more "dignified" to keep the affair private.