Australia's third harden of The Masked Singer has been holding fans guessing, but the succeeder of the demo whitethorn have been uncovered.Prima online bookmakers Vampire is Sportsbet's front-runner to win with odds of just $1.22, while TAB have the celebrity at even shorter odds of $1.20. The Masked Singer SPOILER: The winner of the singing competition has been 'leaked' ahead of the show's...