Kevin Costner had already had 3 children before he married Christine. He met her in 2000 when he was experiencing a tough time in his career. The couple got married in 2004 in Kevin’s country mansion. He was 49 and she was 30.The couple has 3 children: sons Cayden (born in 2007) and Hayes (born in 2009) and daughter Grace (born in 2010).