Justin Bieber's original moppy haircut will live on FOREVER -- because despite the singer's recent earth-shattering hair makeover ... his 28-year-old female look-alike has no plans to chop her locks.Katie Cormier from Ocean City -- who was targeted by police in a Bieber-boozing mix-up last year -- tells TMZ, "I plan on keeping the same image that I've rocked for the past few years ... Sorry