The 41-year-old singer/songwriter is a huge fan of the controversial columnist and TV presenter and quipped that he keeps a picture of Piers near his bed.
Speaking on ITV's Lorraine, he said: ''Piers? Okay it's weird, this is going to be weird, I know people are not going to like this, but I've got a poster of him on my bedroom wall with little kisses all over it.''
Michael also spoke about undergoing surgery on his vocal cords in June this year and said that his children - Noah, three, and eight-month-old Elias - helped him cope with fears about losing his ability to sing.
He said: ''It was a little bit scary, but listen, I'm a dad I've got two beautiful little kids and they're my whole life. At the end of the day even though I was trepidatious like anyone would be about having something like that, being a dad gave me something that I couldn't have got anywhere else and I saw that nothing really matters as much. I thought if the worst [happens] I've had a great run and I love what I do, perhaps I'll go into another form of entertainment.''
And Michael - who is married to Luisana Lopilato - opened up about his friendship with British comedian Peter Kay.
He said: ''I really value having a relationship with Peter. I think Peter is a really beautiful, kind, intelligent, deep intellectual and I'm fascinated by our conversations, any time things have been tough, he's always been there for a phone call. He's a really good guy.''
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