Matthew Wilkening

Sixx previously thanked Osbourne for helping Motley Crue break through to stardom.

"Jeff is devastated he cannot perform this evening," the band explained on social media.

Wolfgang Van Halen's group has a slightly different name for their third album.

Move over, Rock & Roll Hall of Fame. There's a new gold standard in career celebration.

The weekend has now officially been rebranded as 'Kiss Kruise: Land-Locked in Vegas'

See dozens of onstage photos and candid backstage shots of rock and metal's biggest stars.

The band's original lineup performed together for the first time in 20 years.

The Prince of Darkness basked in the love from the packed crowd at his farewell concert.

Guns N' Roses dug deep into the Sabbath catalog for their 'Back to the Beginning' set.

Hard rock and metal's biggest stars are performing Black Sabbath and Ozzy Osbourne covers all day and all night.