Article continues below advertisementKelly Clarkson and her late husband, Brandon Blackstock, welcomed two children during their nearly 7-year marriage. Their messy divorce played out in the public eye, with the American Idol alum ordered to pay her ex a hefty alimony. Beyond the financial settlement, many fans have been curious about how the former couple's custody agreement was ultimately decided.Article continues below advertisementWhen Did Kelly Clarkson and Brandon Blackstock Divorce?Source: MEGABrandon Blackstock and Kelly Clarkson were married for seven years.