“I'm a bit of a sucker for Christmas, it's my favourite time of year. I love the festive spirit in London” Ronan Keating, 40, was raised in Dublin, the youngest of five. In 1993, at the age of just 16, he joined Louis Walsh’s boyband, Boyzone. The band went on to sell over 25 million records worldwide and, as a solo artist, Keating has sold 20 million. He’s appeared as a judge on The X Factor and The Voice in Australia and starred in the wartime film, Another Mother’s Son , which was released earlier this year. He has three children, Jack, 18, Missy, 16 and Ali, 12, by his former wife. In 2015, he married Australian TV producer…