Ozzy Osbourne

The rocker was joined by his wife, Sharon, in the first major public appearance since he announced his Parkinson's diagnosis.

'I’m doing the best I can,' said the singer.

The 'Prince of Darkness' is grateful.

The singer broke the news on 'Good Morning America.'

The film, which explores the legendary rocker's fascinating life, will debut in March.

A recap of rock news for the week of Jan. 6 - Jan. 10

Drummer Chad Smith spoke about the Rocket Man's involvement in the sessions for new LP's title track.

Then fired him.

The 'mini-movie' stars actor Jack Kilmer as the singer.

Track reminds him of a moment where he feels he didn’t do enough work.