Kelly Osbourne says she has lost her "best friend" following the death of her father Ozzy Osbourne. The heavy metal pioneer died on Tuesday at the age of 76. He died just a few weeks after performing with Black Sabbath at a big farewell show in his hometown of Birmingham.

Ozzy Osbourne‘s family is mourning the late rock legend following his death at age 76 on Tuesday. On Thursday, the Black Sabbath frontman’s daughter Kelly Osbourne expressed her grief with a reference to the British heavy metal band’s 1972 ballad ‘Changes’ on her Instagram Story.

On July 22, Kelly Osbourne, along with mom Sharon Osbourne, siblings Jack Osbourne and Aimee Osbourne, as well as half-sibling Louis Osbourne, from the singer's previous marriage to Thelma Riley, released a statement confirming the Black Sabbath lead singer's death.