direct to your inboxFans of The Masked Singer think they definitely know the identity of Viking on The Masked Singer after his latest performance.Viewers were stunned when the masked character performed the A-ha classic Take On Me when for weeks they've been saying Viking is the band's frontman Morten Harket.The judges didn't guess that it was Morten, perhaps thinking the clue would be too obvious on the ITV singing show.Rita Ora guessed that it was Ben Adams from the boyband A1, who covered the