Ozzy Osbourne. (AP Files)

Black Sabbath star Ozzy Osbourne is set to join Metallica for the rockers' upcoming concert in New York to celebrate 25 years of the Rock and Roll Hall of Fame.

The Enter Sandman hitmakers, who were inducted in April, are due to take to the stage at Madison Square Garden as part of a series of shows dedicated to the coveted musical institution.

And fans attending the gig are in for an extra special treat - Osbourne has confirmed he will be rocking out with the band.

The show will take place on 30 October and will also feature performances from U2, Aretha Franklin and Eric Clapton.

Another concert on 29 October will see Bruce Springsteen & The E Street Band, Simon & Garfunkel, Paul Simon, Stevie Wonder and Crosby, Stills, Nash & Friends perform.