Justin Bieber Pranks Willow Smith

Justin Bieber Pranks Willow SmithThe Bieb pulled a fast one on his friend (and opening act) during a concert last week. Check out the video of the prank inside! (Photo By Photo Agency) Justin Bieber: YouTube sensation, pop star, heart breaker... prankster! We all know the 16-year-old is wildly talented, but we recently discovered he's quite the joker when he pulled a fast one on his friend (