Black Sabbath's farewell concert, which included hits like "Iron Man" and "War Pigs," comes as the rocker is living with Parkinson's disease.

Metallica and Guns N' Roses paid tribute to Black Sabbath at Ozzy Osbourne's 'Back to the Beginning' finale concert on Saturday.

Ozzy Osbourne and Black Sabbath both bade farewell, performing in their Birmingham hometown at their Back To The Beginning extravaganza, which will presumably be their final concert. Many of the biggest names in the metal world gathered to pay tribute,

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.

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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

With tears in his makeup-shadowed eyes, Osbourne, the ailing and retiring frontman for Black Sabbath, raged against the twilight of the metal gods.

Hard-rock royalty and some 40,000 fans gathered for an ear-splitting tribute to Ozzy Osbourne at what the heavy metal icon ... that included performances from the likes of Anthrax, Metallica and Guns N’Roses. Artists who sent plaudits and well-wishes ...