The leaves are changing color, and so is Demi Lovato's hair! She debuted a new blue look this week, and we're totally digging it! Ashley Greene also went for a dye job, and she's now a blondie! It took her a few months to phase out the brunette, but the lighter hue definitely suits her. Carrie Ann Inaba proudly showed off her new cut and color on Twitter. From long highlighted waves to a shorter, sleeker, cropped cut! Carey Mulligan finally big her signature blonde locks farewell opting to go darker. So are you feeling these ladies' switch ups? Tweet us and let us know!