Justin Bieber pranks a group of fans Justin Bieber Thu-11-Oct-12 11:00 Share this Tell Us What You Think WTF 0 LOL 0 FAIL 0 OMG 0 HOT 0 CUTE 0 ] 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 #GSCmycalvins 10 different people called the cops on Justin Bieber for doing what? 15 year old Justin Bieber singing 'Where are you Now' 7 other celebrity diva moments Become a fan of The Edge on Facebook and on Twitter .