Kelly Osbourne has addressed the death of her father, Ozzy Osbourne, at age 76. Taking to her Instagram Stories on Thursday — just two days after saying goodbye to her dad — the host, 40, wrote, “I feel unhappy I am so sad. I lost the best friend I ever had .”

On July 22, Kelly Osbourne, along with mom Sharon Osbourne, siblings Jack Osbourne and Aimee Osbourne, as well as half-sibling Louis Osbourne, from the singer's previous marriage to Thelma Riley, released a statement confirming the Black Sabbath lead singer's death.

Sharon Osbourne is said to be 'fragile' and in a 'heavily blow' following the death of her husband, Black Sabbath icon Ozzy Osbourne, as her pals fear for her health

WASHINGTON — Sharon Osbourne is speaking out following the death of her husband, rock legend Ozzy Osbourne. In her first public comments since announcing his death earlier this week, the 72-year-old thanked friends and fans for their support.

Ozzy Osbourne's daughter Kelly Osbourne shared a heartfelt statement after the legendary singer's death at age 76

Osbourne was dad to five biological children with two women, while also the adoptive father of his first wife's son. He had 10 grandchildren at the time of his death.

Osbourne's wife, Sharon Osbourne, and several of his children—Jack, Kelly, Aimee and Louis—announced his death in a statement posted to X, Instagram and Facebook: "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,