Nicole Kidman has returned to her red roots. In a behind-the-scenes Instagram post from the set of Practical Magic 2, the actress appears alongside co-star Sandra Bullock with freshly dyed auburn hair ...

In The Devil Wears Prada, Blunt played Emily, Miranda Priestley's no-nonsense, fashion-obsessed assistant. She wore her hair in a bright red shade for the film. If the new photos of Blunt on set are ...

Read on for more about the color trend, drugstore products to buy, and expert tips on touching up your hair for little to no cost.