Jack Osbourne will have muted birthday celebrations this year. The media personality turns 40 today. This birthday will be his first after his father, Ozzy Osbourne , passed away from a heart attack on July 22, 2025 at 76-years-old . In October, Jack spoke out during an appearance on Good Morning America about all of the support the family, which includes Ozzy's wife Sharon Osbourne , as well as Jack's siblings, Kelly , Aimée , Jessica , Louis , and Elliot . He said: "None of us expected it to be like this, with that outpour of love."

Jack has yet to mark his milestone birthday on social media, but his mom did. Sharon posted a throwback photo of her holding her son's hand. She captioned the birthday message: "To my Darling Boy, my rock. Happy 40th Birthday." After Ozz

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