Music fest season is officially in full swing and so are the grungy/ hippie-chic looks being sported by celebs and music fans alike—colorful hair, do-rags and plenty of Boho-inspired plaits. One of our favorites fresh off Coachella is Kate Bosworth's Mohawk braid. Schwarzkopf Professional Brand Ambassador, Amber Dawn was on the ground at Coachella and created this Boho-chic look for Kate, which she describes as a spine braid. "This look has been inspired from fashion and runway, starting from fall 2014 collections," notes Amber. "Girls also like this look because they can still wear there hair down…