So far, the judges have guessed celebrities, including Vinnie Jones, Drake and Top Gear presenter Paddy McGuinness.
Rita Ora thought it could be Danny O’Donohue from The Script, Mo Gillian guessed Richard Blackwood, and Davina McCall pondered Kevin Bacon.
Given the size of the costume and the fact, the character appears to speak in what sounds like two voices, some have also speculated it could be TV duo Ant and Dec.
According to bookmakers Betfair, Westlife singer Mark is the most likely to be revealed as Robobunny with odds at 6/4, but fans will have to wait until the performer is unmasked to see if it’s actually Joe Jonas.
The Masked Singer returns Saturday at 7pm on ITV.
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