The Mirror KSI booed by Britain's Got Talent audience as he breaks unofficial rule
Youtuber KSI is the newest judge to the Britain's Got Talent panel, joining the show permanently this year after a successful guest stint covering for Bruno Tonioli last year
Youtuber KSI is the newest judge to the Britain's Got Talent panel, joining the show permanently this year after a successful guest stint covering for Bruno Tonioli last year