Brandon Blackstock, Kelly Clarkson's ex-husband and the former stepson of Reba McEntire, has died. He was 48.

"It is with great sadness that we share the news that Brandon Blackstock has passed away," a representative for the family told Fox News Digital in a statement. "Brandon bravely battled cancer for more than three years. He passed away peacefully and was surrounded by family. We thank you for your thoughts and prayers and ask everyone to respect the family's privacy during this very difficult time."

KELLY CLARKSON POSTPONES REMAINING LAS VEGAS SHOWS FOR FAMILY CRISIS INVOLVING EX-HUSBAND BRANDON BLACKSTOCK

This story is developing.