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, the famous daughter of rocker Ozzy Osbourne, is speaking out after his death. Kelly, 40, posted an Instagram story with a black screen and a broken heart emoji, accompanied by the text "I feel unhappy I am so sad. I lost the best friend I ever had."

Days after Osbourne’s death, Kelly shared a clip from his three-season reality series, Jack and Ozzy’s World Detour, to her Instagram Story. “One of the best Ozzy moments ever!” she wrote above the video. In the footage, Kelly is seen driving her motorhome with Osbourne riding in the passenger seat.