MARRIED At First Sight Australia's Mike Gunner has been forced to deny allegations he was "cheating on Heidi Latcham" while they were 'married' on the hit show.
His co-star Cyrell Paule has sensationally claimed Heidi discovered he'd been unfaithful during filming - but Mike has slammed the accusation as "nonsense".
Cyrell, 32, has thrown allegations at Mike after the pair fell out when he blocked her on Instagram. In an exclusive interview with The Sun, Cyrell said: "I know for a fact he was cheating on Heidi with another girl while they were filming. "Heidi is a good friend of mine and she admitted that to me. "When he was talking to the guys and saying 'oh it just didn't work out, but she's a lovely girl', I thought - 'Don't talk out of.
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