Kelly broke her silence on her father’s death Thursday, telling her followers she “lost the best friend [she’s] ever had.”

Ozzy Osbourne was also remembered as 'Papa' in emotional tribute from Jack Osbourne's ex-wife Lisa Stelly, who shared that 'the world got Ozzy' but his family got a loving grandfather.

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 .”