Kelly Osbourne took to social media to convey her heartbreak upon learning of her father's passing, referring to him as her "best friend." Ozzy passed away shortly after a farewell performance in Birmingham with his band, Black Sabbath. His daughter was present backstage at this moving concert, where she also celebrated her engagement to Sid Wilson, a member of the band Slipknot.

The iconic musician died surrounded by family, as confirmed in an official statement by the Osbourne family expressing their grief over the loss of their beloved patriarch. The cause of death has not yet been disclosed, though Ozzy's health had been an ongoing concern, particularly after his Parkinson’s disease diagnosis in 2019.

In the wake of the heartbreaking news, tributes have poured in from fans and fellow artists alike, honoring Ozzy Osbourne’s contribution to rock music and his trailblazing role in heavy metal. Their close bond was famously showcased on MTV’s reality show "The Osbournes," which depicted their unique family dynamic. The heartfelt remembrance and collective mourning reflect not only the personal loss for Kelly but for the music industry at large, as they recognize the imprint left by this influential figure.