Kidman has strained ties with kids: Book

New York, Jan 20: Hollywood superstar Tom Cruise's new biography reveals that his ex-wife Nicole Kidman has a difficult and emotionally strained relationship with her children, Isabella and Connor. Pagesix.com quotes Andrew Morton, the book's author, as saying: "Those who saw the family close up concluded that Tom was much more comfortable and enthusiastic as a parent. The actor was in constant and controlling touch with the youngsters and their nannies no matter how busy he was."Kidman had said in a TV show: "My kids don't call me mommy, they don't even call me mom. They call me Nicole, which I hate and tell them off for it." The biography is titled Tom Cruise: An Unauthorised Biography.