The 'Pop Idol' judge described the late singer and actor as 'charismatic, funny and just a great person to be with.'
The brand new clip shows Simon Cowell, Nicole Scherzinger and Louis Walsh assembling the successful boyband.
Louis Walsh has recalled how he tricked Simon Cowell into accepting Shane Filan in Westlife after the pair disagreed about whether or not he should be in the band.
Louis Walsh has hit out at today's talent shows, saying they are 'boring' because judges can no longer be honest.
Louis Walsh has recalled the time he told Colin Farrell he was 'wasting his time' with acting after a Boyzone audition.
Louis Walsh says girls in bands 'don't like each other' because they are always competing to be the 'lead girl' and want to 'be the skinniest'.
Simon Cowell joined the group for a hug on stage, having helped them into the charts 25 years ago.
Walliams reckons his 'Britain's Got Talent' colleague would rather he stayed away from stag do planning.
Although 'Britain's Got Talent' has seen a wealth of successful performers appear on its show, that's not the only reason people watch it.
'Britain's Got Talent' fans will be thrilled to learn that the ITV talent show is back, with Ant and Dec returning for another year of awkward auditions and incredible hidden talents.
The Britain’s Got Talent judge underwent six hours of surgery after he fell from an electric bike in 2020.
Loren Allred wowed the 'Britain's Got Talent' judges with her performance of hit ballad 'Never Enough'.
Ella Henderson says she 'tortured herself too much' when making the decision to part ways with Simon Cowell's record label.
Singer Ella Henderson has spoken out about her panic attack in an Ikea store in LA and says she feared speaking out about her anxiety in case she was 'pushed to the back of the list'.