Kelly Osbourne blasts Twisted Sister’s Dee Snider after he questioned Ozzy’s songwriting skills

LOS ANGELES, CALIFORNIA: Kelly Osbourne has fiercely clarified that she’s not taking any nonsense against her late father, Ozzy Osbourne, who died in July 2025.

The TV personality recently called out Twisted Sister’s Dee Snider after he questioned the late legend’s songwriting contributions.

Kelly Osbourne claims her dad Ozzy Osbourne's legacy 'speaks for itself'

Taking to her Instagram Stories on Friday, August 14, Kelly began, “My father’s legacy as a musician, songwriter, singer and bandleader speaks for itself. His friends, those [who] worked with him, those who love him, and millions of fans around the world that still continue to buy his records know exactly what he meant, what he contributed and what he leaves behind. His legacy will live on eternally.”

In another slide, the 41-year-old then went on to slam the retired musician by calling him “spectacularly classless”.

“@deesnider your last hit...not to age myself was the year I was born over 40 years ago,” she claimed.

Kelly Osbourne slams Dee Snider for believing in some 'hearsay from a delusional man'

Kelly further asserted that “there’s something spectacularly classless about Dee Snider trying to diminish my father Ozzy Osbourne and his extraordinary abilities and achievements when he is no longer here to challenge his allegations, particularly when Snider cannot claim to know the private reality of my [father’s] life simply by looking in from the outside or from hearsay from a delusional man with a vendetta against my father.”

“When, to the best of my knowledge, they were maybe in the same room once, if even at all,” she added.

Kelly Osbourne asserts Dee Snider's 'trying to make my father smaller'

The mother-of-one also mocked Snider’s career by comparing his to her late father’s.

“If Snider wants to invite comparisons between their careers, that comparison is devastating enough on its own,” she wrote.

Kelly further explained that the 71-year-old radio personality experienced success over four decades ago, but her dad’s “career spanned nearly six decades-from helping define heavy metal with Black Sabbath to building an extraordinary solo career. His music will continue influencing generations long after all of us are gone.”

Concluding her lengthy statement, the actress added, “My father doesn’t need Dee Snider’s approval to establish his place in music history. And trying to make my father smaller won’t make Dee Snider bigger.”

Dee Snider supports claim saying Bob Daisley wrote lyrics for Ozzy Osbourne

Kelly’s response came after an X user shared on August 13, “Bob Daisley says he’d written a load of lyrics, then was told they weren’t needed for NMT. Then he got sacked for the final time.”

Daisley is a bassist who worked for Ozzy's band.

Snider replied, saying, “‘A load?’ How about ALL the lyrics? Ozzy always had bass players write his lyrics. @geezerbutler wrote ALL of @BlackSabbath lyrics. Daisley wrote lyrics for the first two solo albums (I'm pretty sure he was paid to write on other records but not credited) & Lemmy wrote lyrics.”

In another X post, he added, “I know too much about the truth behind the scenes. Let's just say that Sharon doesn't like to share.”