Osbourne has tragically passed away at the age of 76—just weeks after it was revealed that he was set to quit his residence in the U.S.

In her first comments since his death, Kelly Osbourne posted the opening lyrics from the song on Instagram with a broken heart emoji: "I feel unhappy I am so sad. I lost the best friend I ever had." The father-daughter duo were known for having a close relationship.

Kelly Osbourne made her first public comments on Thursday, two days after the death of her father, rock legend Ozzy Osbourne. "I feel unhappy I am so sad," Kelly Osbourne wrote in an Instagram story.

Osbourne has tragically passed away at the age of 76—just weeks after it was revealed that he was set to quit his residence in the U.S.

Osbourne died on Tuesday at 76, just weeks after he and Black Sabbath performed at their farewell Back to the Beginning concert earlier in July.

Ozzy Osbourne's death sparks reactions from collaborators, friends, and fellow industry figures. Pearl Jam, Elton John, Yungblud, and more speak.

Ozzy Osbourne’s sisters are grieving the loss of their beloved brother. Jean Powell and Gillian Hemming opened up to The Mirror about their sibling, whose real name was John Michael Osbourne, and spoke about the last time they saw and talked to him.