Justin Bieber Pranks Fans at Proactiv Commercial Shoot [VIDEO]

Justin Bieber Proactiv pranks

Justin Bieber Proactiv Pranks Delight Fans

Prolific prankster Justin Bieber is back with a new gag - punking his fans, via a Proactiv ad.

As a Proactiv spokesperson, Bieber takes a seat behind the camera as the director, having Proactiv customers step up to audition.

In the end, of course, Bieber reveals himself to the delight of his giggly fans.

Read: Justin Bieber to Host 'Punk'd'?

Beiber took to Twitter to point fans to the prank: "#PranksterOnTheLoose - youtu.be/t8BEgXUZJQY - haha. see the rest of the pranks of the #proactiv youtube channel."

There are two commercial shoot pranks, described as: "Exclusive video of Justin Bieber having some fun at his official Proactiv Commercial shoot. Real Proactiv customers thought they were coming in to audition for a Proactiv Commerical. Justin surprised them by stepping in as the director."

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Bieber also took the time to knock on some fans' doors to deliver a year's supply of Proactiv products.

He sported a vest with bizarre life-jacket-esque buckles and his new hairstyle.