Kelly Osbourne has shared a heartbreaking tribute following the death of her father, legendary rocker Ozzy Osbourne, calling him her “best friend.” The iconic Black Sabbath frontman passed away on July 22, 2025, at the age of 76, just weeks after delivering an emotional final performance in his hometown of Birmingham.

The farewell concert at Villa Park was a historic moment — not just for Ozzy, but for the entire Osbourne family. Surrounded by loved ones, including his wife Sharon and children, the Prince of Darkness took the stage one last time with his original Black Sabbath bandmates. Rock royalty such as Ronnie Wood, Metallica, and Guns N’ Roses joined in the star-studded tribute. Unbeknownst to many, it would be Ozzy’s last time in front of a live audience.

For Kelly, the evening carried even more personal significance — she became engaged backstage to longtime partner Sid Wilson of Slipknot. The concert was a celebration of legacy, love, and family — now made all the more poignant by her father’s passing.

On Instagram, Kelly expressed her grief with the lyrics from their 2003 duet of Black Sabbath’s “Changes”:

“I feel unhappy, I am so sad. I lost the best friend I ever had.”

She accompanied the post with a broken heart emoji, a quiet yet powerful reflection of her pain.

Kelly and Ozzy shared a famously close relationship, one that unfolded publicly through the hit MTV reality show The Osbournes (2002–2005), where fans saw a softer, often humorous side of the metal legend. The two later collaborated on a family podcast with Sharon and Jack, inviting audiences into their world once again.

The Osbourne family’s official statement read:

“It is with more sadness than mere words can convey that we have to report that our beloved Ozzy Osbourne has passed away this morning. He was with his family and surrounded by love.”

Though the cause of death was not revealed, Ozzy had long struggled with health issues, including a 2019 Parkinson’s diagnosis and complications from past injuries.

Ozzy’s death marks the end of an era, but his voice, his music, and his bond with his family — especially his daughter Kelly — will echo forever.