Nicole Kidman and Keith Urban have separated after 19 years of marriage. US site TMZ reported on Tuesday (AEST) the couple have been living apart “since the beginning of [the northern] summer.”Nicole Kidman and Keith Urban at the Golden Globes in January. Credit: CBS via Getty ImagesCiting multiple but unnamed sources, the site reported that Kidman had been taking care of the pair’s two children and “holding the family together through this difficult time since Keith has been gone.”The report said Urban has reportedly moved out of their Nashville family home and into his own residence also in Nashville. The Grammy-winning country musician has been on his High and Alive World Tour, which touched down in Australia in August.