Article continues below advertisementOK! can reveal Nicole Kidman is refusing to leave Nashville after her split from Keith Urban, setting up a tense standoff in the Tennessee city that has long anchored their family life and professional plans.Kidman and Urban, both 58, who married in June 2006 and announced their divorce last fall, both remain rooted in the Nashville area despite the end of their marriage. Urban, a country music star who established himself in the city years before their relationship, relocated to temporary accommodation nearby after the separation.