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.

Ozzy Osbourne uploaded what would become his last Instagram post on July 21 — just one day before he died. The photo was taken at Osbourne's farewell show in Birmingham, which took place just weeks earlier.