By Seamus Duff Celebrity Big Brother viewers were shocked that Louis Walsh brutally lashed out at Ronan Keating. In scenes that aired on Tuesday night, viewers watched as the Housemates were treated to a VIP pop party where they were given treats, drinks, and the chance to dance to some classic pop songs. But when the song Life Is A Rollercoaster song by 47-year-old Ronan played in the house, 71-year-old Louis took a brutal swipe at the singer. Ronan was a member of Boyzone \- the chart topping band that Louis managed and also included 51-year-old Mikey Graham, 49-year-old Keith Duffy, and 47-…
