“I don't know how to use a washing machine.” — Ronan Keating

When greeting Pope Benedict a few years ago, I was meant to kiss the papal ring but I head-butted his hand instead. He just laughed at me.

I'd like less Irish-looking skin.

Sydney is the most amazing city. The food and the beautiful beaches are fantastic, and all that surf and sunshine make you feel unbelievably relaxed.

Judging on 'The Voice' or the 'X Factor UK' would be great; that would be ideal, really. But I don't think it's going to happen.