Boozers were decked with purple balloons and flags; murals were everywhere you looked; people donned Ozzy outfits, flooding ...

The day-long concert special featured standout performances from Osbourne and Black Sabbath, Metallica, Guns n' Roses, Jack ...

Jack Osbourne posted a heartfelt tribute to Ozzy Osbourne following his star-studded Black Sabbath reunion and final concert ...