Sometimes it's easy to assume that all famous people know each other. But until Saturday's (July 5) Back to the Beginning blow-out final show honoring Ozzy Osbourne and Black Sabbath, the Prince of Darkness had never met Guns N' Roses singer Axl Ros e. Despite both men being hard rock royalty, their paths had somehow never crossed.

The rocker, 76, reunited with his Black Sabbath bandmates Tony Iommi, Geezer Butler and Bill Ward for their first performance in their original line-up since 2005 - and their final ever show.

Black Sabbath played their final gig last night in Birmingham, with Ozzy Osbourne joined by some huge stars on stage.