Brandon Blackstock's "soulmate" Brittney Marie Jones, identified in Blackstock's obituary as his "loving partner in life and business," previously worked as Kelly Clarkson's production assistant.

"Yesterday we lost a good man Brandon Blackstock my daughter's soulmate and I considered him my son," he wrote in the Facebook post.

Brandon Blackstock, Kelly Clarkson's ex-husband, was in a “loving” relationship with Brittney Marie Jones, her former production assistant and his executive assistant, at the time of his death, according to an obituary shared online by his family.