India, Sept. 30 -- Actor Nicole Kidman and singer Keith Urban, one of Hollywood's long-standing couples, have reportedly separated, TMZ reported, citing sources close to the couple. Married since June 25, 2006, they have two daughters together.

The sources say Kidman and Urban have been living apart since the start of the summer, with Urban having moved out of their family home and bought a house in Nashville, where he now lives. Kidman is reportedly trying to "save the relationship," while Urban has "already moved on." Their two daughters are reportedly living with her, per the TMZ report.

Nicole Kidman and Keith Urban have two daughters together. Additionally, Kidman also has two adopted children from her previous marriage to Tom Crui...