Lady Gaga honoured the memory of the heavy metal singer Ozzy Osbourne in his signature style in San Francisco on THE MAYHEM BALL tour.
His family announced the death in a statement, which did not say where he died or specify a cause. However, he had been treated in recent years for a variant of Parkinson's disease that he identified as Parkinsonism or Parkin 2, a condition exacerbated by his chronic drug abuse.
