Article continues below advertisementThough Nicole Kidman was the one who wanted to try and save her marriage to Keith Urban, the actress' divorce filing signals she's done with their 19-year union.The Oscar winner officially filed the paperwork on Tuesday, September 30, shortly after the separation rumors surfaced.Article continues below advertisementSource: @nicolekidman/instagramNicole Kidman is focusing on her teen daughters in the wake of her split from Keith Urban.