She then shared some insight into how he’s doing emotionally. “Grief is a strange thing-it sneaks up on you in waves,” Kelly wrote. “I will not be ok for a while — but knowing my family are not alone in our pain makes a difference. I’m holding on tight to the love, the light, and the legacy left behind.”

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.

On early Wednesday morning, Jack Osbourne took to social media to break his silence on the death of his late father, Ozzy Osbourne, sharing a touching tribute on Instagram.