The mystery mustache wearer was spotted strolling around Amsterdam recently.
With such an amazing get up surprisingly he soon got busted by fans:
Have you guessed it yet?
YES. It's the Biebs.
It's actually pretty funny...wonder if he hit one of the special cafes before he went to costume shop?
Here he is taking the piss out of his own disguise:
Vídeo de Justin disfarçado em Amsterdã, Holanda (07/10) 😂😂 pic.twitter.com/svuZ8n3CDi
— Portal Bieber Brasil (@portal_bieberBR) October 7, 2016