Kelly Osbourne calls her father Ozzy's death "the hardest moment of my life" in an emotional Aug. 4 Instagram Stories post days after his funeral in Birmingham, England. The Black Sabbath frontman died on July 22 at 76.

Kelly Osbourne thanks fans for their support as she mourns dad Ozzy: ‘I will not be OK for a while, but I feel your love.'

While Jack and his other older sister, Kelly, 40, garnered fame after starring in MTV’s “The Osbournes” with parents Ozzy and Sharon, 72, Aimee chose not to participate in the show during its four-season run from 2002 to 2005.

Kelly Osbourne opens up to fans with heartfelt message following her father Ozzy Osbourne's death on July 22, 2025.

Kelly Osbourne says the death of her father Ozzy Osbourne was "the hardest moment of my life." The heavy metal pioneer and Black Sabbath frontman died July 22 at the age of 76 following a series of health issues,

Kelly Osbourne thanked fans for support after her father Ozzy Osbourne's death at 76, and described her grief as coming in waves during this difficult time.

Kelly called his death the 'hardest moment of [her] life.'

Kelly Osbourne has shared a tearful tribute to her late father, Ozzy Osbourne, following his death at the age of 76, after a lengthy battle with Parkinson's disease