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."

Hundreds of Black Sabbath fans gathered in Birmingham city centre to pay tribute to Ozzy Osbourne.

Osbourne died Tuesday morning at age 76 in his hometown of Birmingham, England.