He walked on stage carrying a black case, not revealing what was inside.
He then began his audition by opening the case to reveal a guitar, and his rock star-like performance astounded the judges.
The 64-year-old earned four yeses from the judges and if you didn’t watch the audition or simply want to revisit it, here’s how you can.
Watch Kenny Petrie’s Britain’s Got Talent audition. Watch here
Kenny Petrie shocked judges as he walked onto Britain’s Got Talent stage nervously in Saturday night’s show.