Share 'The problem is that I don't know everyone in the world when they are revealed. 'You can guarantee the less I know them, the more energy I put into the reveal. 'I was like, 'Oh my God, it's Morten Harket!' Famous: Morten is the lead singer of Norwegian band a-ha, and famously performed the group's 1984 hit Take On Me while dressed in his elaborate costume (pictured performing in 2019) Whoops: The presenter, 36, said the unmasking back in January of the singer, 61, as Viking 'was the most awkward interview I have done in my entire life' He said judge Mo Gilligan couldn't hold in his laughter at Joel's reaction to the big reveal as it was obvious he was baffled as to who it was.