Fans have been busy speculating over which band Sharon Osbourne disinvited from husband Ozzy Osbourne's farewell show with Black Sabbath, and they're convinced they know who it was

Black Sabbath performed “War Pigs,” “N.I.B.,” “Iron Man” and “Paranoid” — while Osbourne, 76, also performed solo songs such as “I Don’t Know,” “Mr. Crowley,” “Suicide Solution,” “Mama, I’m Coming Home” and “Crazy Train.”