India, Oct. 2 -- Nicole Kidman has filed for divorce from Keith Urban in Nashville, Tennessee. Court papers show the Oscar-winning actress cited "irreconcilable differences." She listed the separation date as the day of filing, according to Daily Mail report.

Kidman is asking to be the "primary residential parent" for their two daughters, Sunday Rose, 17, and Faith Margaret, 14. The filing comes after reports that she and Urban had been living apart since early summer.

A source told Daily Mail that Kidman has been speaking often with longtime friend Naomi Watts. "Nic has been calling Naomi a ton to talk out how she needs to cope with the situation," the source said. "There has been a lot of advice flowing, and Nic listens because Naomi ...