DJ Gryffin said on Instagram that he was shocked to learn that the man who joined him onstage to sing "Sorry" was not, in fact, Justin Bieber.

Rather than trying to blend into the background, lest his cover be blown, the bootleg Bieber - believed to be one Dylan Desclos - decided to chance his arm and get his ‘team’ to ask the night’s DJ, Gryffin, if he could come on stage and sing Sorry, his 2015 hit.

Racking up a whopper bar tab, a ‘fake’ Justin Bieber ended up performing on stage in Vegas. Since the real Bieber is back in the charts with new music at the moment, having surprised us all with the sudden drop of Swag back in July, ‘Daisies’ currently sits at number 5 in the UK Singles Chart.

An American DJ and producer has revealed how he was ‘duped’ by a Justin Bieber impersonator during a recent music set. 37-year-old Gryffin was at XS Nightclub in Las Vegas over the weekend where he was conned into letting the fraudster on stage to sing a Justin Bieber son.

WATCH as a Justin Bieber lookalike tricks a Vegas nightclub into letting him perform on stage and run up a $10,000 bar tab. Staff and party-goers at the five-star Wynn Las Vegas were convinced

A 'fake' Justin Bieber tricked an entire club, including the DJ, into believing that he was the real deal. It's a mean feat that caught everyone off-guard, including the club itself, as the pretender racked up a hefty bar tab worth $10,000.