Wilson proposed to Osbourne backstage during Black Sabbath’s Back to the Beginning finale on Saturday in Birmingham, England

Black Sabbath went out with a bang on Saturday night at what the band said would be its final gig. As they played one of their most-recognisable songs, Iron Man, fans sang along with lead singer Ozzy Osbourne at Villa Park in Birmingham.

Osbourne, 76, performed in his final show on July 5 following his 2019 Parkinson’s diagnosis, which has affected his ability to walk