With Ozzy Osbourne turning 64 on Dec. 3, let's take a look back at the rocker's career, from Black Sabbath to today.
32 / 40
Lucas Jackson/Reuters
Lars Ulrich (center) and Kirk Hammett (right) of the band Metallica smile after performing with Ozzy Osbourne during the second of two 25th Anniversary Rock & Roll Hall of Fame concerts in New York City on Oct. 30, 2009.