The Masked Singer SPOILER: The winner of the singing competition is ‘LEAKED’ ahead of the season finale

The fourth season of The Masked Singer Australia has kept fans guessing over the last few weeks, but the winner of the show may have been leaked early.

Online bookmakers Sportsbet and TAB are tipping Mirrorball as the favourite to win.

Mirrorball is Sportsbet’s front-runner to win with odds of just $1.25, while TAB has them at even shorter odds of $1.08.

The winner of The Masked Singer Australia may have been leaked ahead of the show’s finale, if the betting odds are anything to go by

Rounding out Sportsbet’s final three are Rooster ($8.50) and Snapdragon ($6). 

The odds show the majority of viewers are convinced the celebrity behind the Mirrorball mask is Melody Thornton of the Pussycat Dolls.

Mirrorball’s extremely short odds suggest some degree of insider knowledge that she wins the celebrity guessing game.

Online bookmakers Sportsbet and TAB are tipping Mirrorball (pictured) as the favourite to win

Online bookmakers Sportsbet and TAB are tipping Mirrorball (pictured) as the favourite to win 

Daily Mail Australia revealed last month that speculation was rife Thornton would be taking part in the series.

According to an insider, judge Mel B guessed her straight away after she recognising her voice when she sang I Wanna Dance with Somebody by Whitney Houston.

Melody, who performed in The Bodyguard on Broadway in 2017, was reportedly instructed to hide her trip to Australia and pretend she was in LA on Instagram.

The odds show the majority of viewers are convinced the celebrity behind the Mirrorball mask is Melody Thornton (pictured) of the Pussycat Dolls

The odds show the majority of viewers are convinced the celebrity behind the Mirrorball mask is Melody Thornton (pictured) of the Pussycat Dolls 

A promo for The Masked Singer teases there is a contestant who has ‘sold more than 50 million records worldwide’.

The Pussycat Dolls have sold more than 55 million albums, making them one of the best-selling girl bands of all time.

The Masked Singer finale airs Sunday at 7pm on Channel 10 

The Masked Singer finale airs Sunday at 7.pm on Channel 10. (Pictured: judge Abbie Chatfield)

The Masked Singer finale airs Sunday at 7.pm on Channel 10. (Pictured: judge Abbie Chatfield)

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