Nelson was even joined on stage by 79-year-old Keith Richards, who harmonized with his buddy as they sang classic country tunes from Billy Joe Shaver and Waylon Jennings.

'Happy Birthday Willie': Keith Richards drops in on Willie Nelson's 90th birthday concert In April, Nelson teamed up with Orville Peck for a duet cover of "Cowboys Are Frequently Secretly Fond of ...

NASHVILLE, Tenn. -- Willie Nelson grinned when told of a rumor that he and Keith Richards of The Rolling Stones were spotted knocking back a few drinks at a famous Nashville honky-tonk. "No, but ...