In the wake of her late father Ozzy Osbourne’s death, Kelly Osbourne is thanking fans for their outpouring of support — and letting them know she “won’t be okay” for a while. On Monday, the Prince of Darkness’ youngest daughter, 40, shared a message on her Instagram story, writing, “from the bottom of my heart, thank you .”

Ozzy Osbourne reveled in being on stage a final time during his final Black Sabbath concert, just weeks before his death.