Blackstock’s partner, Brittney Marie Jones, who used to be his ex-wife Kelly Clarkson’s assistant, was allegedly at the service. It is unclear if Clarkson was in attendance. “Brittney, his family and his closest friends spent time at his home sharing memories of Brandon and remembering how much he meant to them,” the insider said.

Brandon Blackstock and Kelly Clarkson's former assistant Brittney Jones shared a private romance before his death at age 48