Welcome to summer, a time where literally every celebrity is chopping off her hair and dyeing it a surprisingly un-summery color, like Ariel Winter?s new, bright-red hair, Cara Delevingne?s blue, mermaid-y waves (even if they were a wig), and Lucy Hale?s jet-black bob. But lest you think that the classic blonde, hella lightened, Sun-In hair transfo...