Article continues below advertisementKeith Urban and Nicole Kidman's marriage troubles may have started long before their split made headlines.According to insiders, the country star wasn't thrilled about how much his wife's career was heating up again. For years, Kidman put family first, focusing on raising their daughters, Sunday Rose, 17, and Faith Margaret, 14. When the girls were younger, she "was all about them," the source said.Article continues below advertisementSource: MEGAKeith Urban was reportedly 'not very supportive' of Nicole Kidman's career before their split.