It's the haircut sought by thousands of young boys, but only one hairstylist can claim to have originated the Justin Bieber shag: Vanessa Price, who created the Biebs' signature 'do in 2009.These days, "I usually cut his hair every couple of weeks when he's on tour," she tellsLife & Style. But great hair doesn't come cheap: Vanessa, who makes house calls only, charges roughly $750 per cut! Plenty