Louis Walsh has been sticking the boot in to many a famous acquaintance during his time in the Celebrity Big Brother house, but when he branded Jedward "vile" it sparked a furious reaction. Jedward just happened to be watching the ITV reality series from close pal Gemma Collins ' house and the trio hit back with their own anecdotes about Louis. But as viewers might have guessed, there's a long history to the animosity between the Irish stars after their X Factor collaboration turned sour.