Article continues below advertisementOzzy Osbourne was in his element during his last performance.Less than three weeks before the singer passed away at age 76 on Tuesday, July 22, the star reunited with his Black Sabbath bandmates for the Back to the Beginning show, a benefit concert held in England on July 5.Article continues below advertisementOzzy Osbourne's Final PerformanceSource: Universal Music GroupThough the rocker had to sit down while singing due to his Parkinson's disease and spinal injuries, he still went all out, even wearing his thick black eye makeup.