Spring is definitely the time for a bit of a hair revamp, and Chrissy Teigen is the latest celeb to be giving her hair a drastic makeover.The cookbook author and former model has left her fans in awe as she shows off one of her most major hair transformations yet. Chrissy has been a dedicated brunette for years, although she isn’t afraid to experiment with the shade and cut. Previously Chrissy has lightened her locks with some natural looking highlights, opted for a darker brunette, and had her hair both chopped into a short bob and given it some extra length with extensions.