The chart-topping hunk is finally looking forward to the tour, but he is determined the event will be nothing more than a "great night out".
He says, "When it was first suggested and promoters started to approach us, we initially said, 'It's not going to happen.'
"After we all got together though and had a few glasses of wine, we got talking and decided we should give it a go.
"You change your mind over decisions like this every day until you announce it.
"It should bring back some happy memories and be a great night out. And that'll be the max of it."