Beyoncé, Taylor Swift, and Oprah Winfrey lead an outpouring of tributes to country music icon Dolly Parton, who died at 80. Read their heartfelt messages.

The artist was a star performer in country music, and went on to become one of the genre's most recognizable and universally adored ambassadors to broader popular culture.

Celebrities across entertainment, politics and business reacted to Dolly Parton's death as Reba, Lily Tomlin, Donald Trump, Tim Cook and Kacey Musgraves shared tributes.