Justin Bieber "blah blahs" through forgotten 'Despacito' Spanish lyrics

He's not quite the fluent Spanish singer like his actual song...

But Justin Bieber decided to 'blah blah blah' through the forgotten lyrics of his latest Spanish single 'Despacito' in a live performance at a New York nightclub this week.

Justin Bieber's first Spanish single has had great success online, reaching number #1 in Spotify's Viral 50 Chart worldwide and in New Zealand.

Hear how it's meant to be sung in the video below: