country music legend Naomi Judd, who died late last month at the age of 76, died of a self-inflicted firearm wound, her daughter, Hollywood star Ashley Judd, revealed

The Grammy winner, who performed alongside daughter Wynonna Judd in the top-selling country music duo The Judds, died on April 30

just one day before she was scheduled to be inducted into the Country Music Hall of Fame

Ashley Judd opened up about her mother's death in an interview Thursday with ABC News, revealing Naomi Judd “used a firearm.”

Naomi Judd had been candid for many years about her struggle with mental illness, even publishing a 2016 memoir about the subject, “River of Time

she described falling into a “dark hole of depression” in 2011 that came “out of nowhere.”

One of the most successful acts in country music history, The Judds sold more than 20 million albums, scored 14 No. 1 hits and won multiple Grammy and CMA awards

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