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.

It appears Ozzy Osbourne tried to trademark his iconic 'Prince of Darkness' moniker just weeks before he died. According to a report from The Sun, the late Black Sabbath singer filed documents just days before his passing on 22 July .