Article continues below advertisementNicole Kidman did everything she could to keep Keith Urban from walking away.On Monday, September 29, news broke that the longtime couple decided to go their separate ways after 19 years together, but according to an insider, the actress wasn't ready to walk away.Article continues below advertisement"She didn't want this," the source shared. "She has been fighting to save the marriage."Article continues below advertisementSource: MEGANicole Kidman and Keith Urban split after 19 years of marriage.