Justin Bieber has got his friends terrified he'll prank them now that he could be hosting a new series of Punk'd.
It was revealed last week that the 16-year-old is in talks to present a remake of Ashton Kutcher's hit show - which sees celebrities being pranked.
And with Justin's love of practical jokes, his friends and staff members are keeping a close eye on the U Smile singer, in case he
