When you trade your long, flowing hair for a chic 'do that instantly earns you comparisons to the hottest supermodels, you know you're on-trend. See Taylor Swift's beauty evolution, ahead of the Met Gala 2016, here.

There's no magic straightening treatment involved.

Compare and contrast with Miss Scarlett Johansson.

She's had a kaleidoscope of Blonde Shades but just which Era is the Blonde style you're going to jump and fall in love with?