Brandon Blackstock's romance with Kelly Clarkson's former assistant Brittney Marie Jones was a "big part" of his life before his death at age 48.

"Brandon and Brittney were in a relationship and his family was very happy and supportive," an insider exclusively tells Us Weekly . "His children spent a lot of time with her and had grown close to her." (Blackstock shared two children with ex-wife Clarkson, 43, daughter, River, 11, and son, Remington, 9. He also shared daughter Savannah, 23, and son Seth, 18, with first wife Melissa Ashworth .)

Jones, whose LinkedIn profile confirms that she worked as Blackstock's and Clarkson's executive management assistant at Starstruck Entertainment in Nashville, Tennessee, from 2018 to 2020, is said to have moved states to be with Blackstock.

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