Dolly Parton, the beloved country music icon, kept her battle with cancer private until her death on August 25, according to her sister, Stella Parton. Stella shared these details during an exclusive interview with "CBS Mornings" co-host Gayle King, explaining that Dolly did not want to worry her fans or loved ones. "She did not want people sad," Stella said. "She'd be really happy and delighted that people have shown her so much love." Dolly's death at the age of 80 came as a surprise to many of her fans, who were unaware of her illness. Stella revealed that even members of Dolly's extended family were not fully informed about her condition. "Only some of us knew, the ones of us that were closer," she said. Stella emphasized that Dolly was deeply sensitive to negativity and would not have wanted her fans to be concerned about her health. Dolly Parton's career in music, television, and film spanned over six decades, making her a global legend. Her team announced her death, stating that she passed away at the Vanderbilt-Ingram Cancer Center after bravely facing a brief battle with cancer. However, the family has not disclosed the specific type of cancer she had or how long she had been ill. In the wake of her death, fans, celebrities, and politicians around the world expressed their grief and paid tribute to Dolly Parton, celebrating her as an enduring icon. Her legacy is expected to live on for generations. Viewers can watch the full interview with Stella Parton on "CBS Mornings" on Thursday, September 10, 2026.