Britain's Got Talent fans 'rumble' The Witch's identity after live semi-finals

Britain's Got Talent fans think they have worked out The Witch's identity during Monday's live semi-finals.

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The mystery contestant, who was later sent home,

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left judges Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams terrified during their performance.

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With Alesha, 43, and Amanda, 52, even fleeing the studio after The Witch chased the latter with a rat

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after the rodent magically appeared from a box on the panel during the act.

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Many took to social media to share their thoughts on who they think the contestant is with fans

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previously guessing that it's BGT hosts, Ant McPartlin and Dec Donnelly.

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Viewers now think that The Witch is Stephen Mulhern and

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he was working with Ant and Dec for the performance.

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