Jack Osbourne posted a tribute to his late father, Ozzy Osbourne, on Instagram Wednesday. The former Black Sabbath member died July 22 at 76 years of age.

Kelly, 40, is the youngest daughter of Ozzy and Sharon Osbourne. She grew up in the limelight, eventually coming into her own as a television personality and actor on the reality show "The Osbournes," which documented her family from 2002 to 2003.

Jack Osbourne has broken his silence following the death of his father, Ozzy Osbourne, last month. "I haven't really wanted to post anything since the passing of my father. My heart has hurt too much,