Kelly Clarkson and her late ex-husband Brandon Blackstock's private romance captivated fans for years until their split in 2020. The American Idol alum and the talent manager began dating in 2011 and things moved pretty quickly from then. The couple announced their engagement in December 2012 and tied the knot less than one year later. Clarkson welcomed the pair's first child together, daughter River, in June 2014. She went on to give birth to son Remington in April 2016. (Blackstock also shares daughter Savannah and son Seth with ex-wife Melissa Ashworth.