The bassist did not elaborate on the health issues, but in March, Motley Crue posted to Instagram to announce that lead singer Vince Neil, 64, underwent a "required medical procedure,” forcing a postponement of the band’s planned spring Las Vegas Residency at Dolby Live at Park MGM.

Ozzy Osbourne has performed what he says is his final live show, thrilling 40,000 fans in Birmingham, England, on Saturday.

Black Sabbath filed documents to trademark their name and could use holograms in the future after Ozzy Osbourne's farewell gig

Actor Jason Momoa caused a stir by jumping into the mosh pit during Ozzy Osbourne's farewell concert. After introducing Pantera, Momoa shouted 'Make room!' and joined the chaos to the beat of 'Cowboys from Hell'.

On Sunday, July 6, Ozzy Osbourne's daughter, Kelly Osbourne took to Instagram to share a video from backstage at the farewell concert. Kelly captioned the video, which showed her longtime boyfriend, Sid Wilson, a band member of Slipknot, proposing to her.

BIRMINGHAM, England -Ozzy Osbourne and Black Sabbath thrilled tens of thousands of fans in an emotional farewell gig in Birmingham on Saturday following a day packed with tribute sets

Ozzy Osbourne reunited with his Black Sabbath bandmates for the first time in 20 years at their farewell show, Back to the Beginning, in Birmingham, England, on July 5

Ozzy Osbourne shared a photo of him meeting Guns N' Roses' Axl Rose for the very first time. The legendary rockers performed at Black Sabbath's final concert on Saturday, July 5.