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 is grieving her father Ozzy Osbourne, calling his death 'the hardest moment of my life': 'I will not be OK for a while.'