Kelly Osbourne admits she’s not doing well and struggling with grief following the death of her rockstar father, Ozzy Osbourne. “I’ve sat down to write this a hundred times and still don’t know if the words will ever feel like enough… but from the bottom of my heart, thank you,” she wrote in a statement posted to her Instagram Story Monday.

Kelly Osbourne remembered her late dad Ozzy Osbourne with a NSFW social media tribute on Aug. 1, sharing a photo of a flower display crafted in honor of the Black Sabbath rocker, who died on July 22 at age 76,