Osbourne was very active on social media leading up to his death, giving fans an inside look at his final performance and news on his future plans.

The last few days have been a tough ride, but Kelly has been focused on executing plans with her mom,” a source told the Daily Mail Thursday.

Kelly Osbourne is reminiscing on her close bond with dad Ozzy Osbourne after his death. In an Instagram Story uploaded Monday Kelly, 40, shared a throwback interview clip where she joked, "I know I can't say f***.