Kelly Osbourne spoke out for the first time since Ozzy Osbourne's death on Thursday, July 24. The rocker and father of six died on Tuesday, July 22, at 76 years old. Kelly shared a poignant line from the Black Sabbath song "Changes,

The Black Sabbath frontman was considered one of the most legendary rockers, called the "Prince of Darkness," and delivered his farewell show with the band's original lineup just two weeks ago in the United Kingdom.

The lyrics for “Changes” were originally written by Black Sabbath bassist Geezer Butler, and the song appeared on the group’s 1972 album “Vol. 4.” In 2003, Ozzy and Kelly released a duet version of the song as a single. The song’s original lyrics are: “I feel unhappy, I feel so sad / I’ve lost the best friend that I ever had.”

Kelly Osbourne has released a statement following the death of her father Ozzy, saying she “lost the best friend I ever had.”

Ozzy Osbourne's family have been "sickened" by rumors that have emerged since his death, with claims that the Black Sabbath icon took his own life