Kelly Clarkson has shared an update on how her children are coping five months after her ex-husband Brandon Blackstock died at age 48 from cancer. The Voice coach, 43, briefly addressed the way she is supporting her and Blackstock's daughter River, 11, and son Remington, 9, during a backstage Q&A video for The Kelly Clarkson Show, which was published on Saturday, January 10. Clarkson explained that her favorite activity to do each day is to "snuggle" with her children. "My kids, they're 9 and 11.