Amanda Holden has revealed details about an awkward backstage encounter following Westlife's appearance on Britain's Got Talent last week. The 55-year-old resumed her position on the judging panel alongside Simon Cowell , Alesha Dixon and KSI for the third semi-final, which included a set from the Irish boyband. Speaking about their crowd-pleasing medley on the Heart Radio Breakfast show this week, Amanda recounted an amusing anecdote about what unfolded behind the scenes afterwards. "The