The singer, known as the Prince of Darkness, died aged 76 in July last year.

The Black Sabbath singer died aged 76 in July last year, just over two weeks after his Back To The Beginning farewell concert.

Jack said his father ‘got to say goodbye to everyone’ before his death.

The Black Sabbath singer died on July 22.

She was joined by her children Aimee, Jack and Kelly to pay their respects alongside fans in Birmingham.

The 71-year-old wife of former Black Sabbath singer Ozzy Osbourne was a judge on The X Factor and America’s Got Talent alongside Simon Cowell