Britney Spears' outfit at the Grammys was universally lampooned by TV critics and THG readers alike (she got whomped by Katy Perry in our fashion face-off). Almost overlooked, given that hideous lace bodysuit / corset debacle, was Spears' return to her natural brown hair. What do you think? Is it a positive change? The girlfriend of Jason Trawick has once again taken a walk on the dark side (only in the literal sense, natch), trading her Barbie-blonde locks for raven waves. Which look do you prefer? Vote below!...