Emma Stone has worn plenty of different hair colors over the years, but her natural hue is actually dark blonde. She first went red in 2006 for "Superbad," and the rest is history.

Have you ever wished you had a different hair color in the middle of the day? This hair dye will do it for you with a little bit of heat. The FIRE hair dye is a concept by Lauren Bowker.

“To create that really natural effect—like that of children’s hair—I use two different color highlights,” he explains, noting ...