Brittney worked as an assistant to both Brandon and Kelly during their marriage. Learn more about Brandon's girlfriend here.

A source alleges that Brittney Marie Jones had an affair with the music executive, which her now-ex-husband, Greg LaPoint, found out about in the summer of 2023. “He got screwed over due to [Jones and Blackstock’s] fling starting during his marriage,” the insider claims.

Page Six reports that Brittney Marie Jones, who once worked as Clarkson’s production assistant, began her relationship with the American Idol alum’s husband while she was allegedly still in a relationship with her then-husband, Greg LaPoint.