Blackstock, a former talent manager, died Aug. 7 at 48 following a three-year battle with cancer. Clarkson kept the family matter private, but a resurfaced clip from the July 26 show of the Grammy winner's now-postponed Las Vegas residency appears to allude to the tolls of the diagnosis.

Kelly Clarkson's emotional hit song "Piece By Piece" has taken on an even deeper meaning in the wake of ex-husband Brandon Blackstock's death. Kelly originally wrote the song in 2015 during better times with Brandon,