Kelly Osbourne shares touching moment with her father in which they can be seen singing and dancing together, as she continues to mourn his death.

Kelly Osbourne has addressed the death of her father, Ozzy Osbourne, at age 76. Taking to her Instagram Stories on Thursday — just two days after saying goodbye to her dad — the host, 40, wrote, “I feel unhappy I am so sad. I lost the best friend I ever had .”