Justin Bieber pranks a group of fans Justin Bieber Thu-11-Oct-12 11:00 Share this By Jay-Jay FeeneyJustin Bieber pranked a group of young fans recently who were participating in a focus group, trying out the new Just Dance 4 on Wii. The girls were dancing to Justin Bieber songs and had no idea he was watching behind a two-way mirror. Halfway through their dancing, he walked into the room. The girls started screaming and crying and one of them yelled, "Holy f**king s**t! Can I hug you?" You May Also Like Justin Bieber arrested for DUI Justin Bieber grinds Ariana Grande onstage and Big Sean is furious Justin Bieber: 'I'm retiring' Become a fan of The Edge on Facebook and on Twitter .