Kate Middleton's blondest hair ever inspires a look back at some of her most dramatic hairstyles through the years, including experimenting with bangs and different hues.

It was the blond bombshell heard around the world. Kate Middleton, the world’s reigning brunette, had suddenly, shockingly, gone blond. Not Pam Bondi blond. Not Miss Piggy blond. But rather tastefully, gracefully, royally blond. Like maybe she was a blonde when she was younger blond.

On Thursday, the Prince and Princess of Wales returned to work with an official engagement at the Natural History Museum in London.