Going gray is part of the natural aging process, and while many opt to eschew any and all hair dye by letting nature take its course, a few young trendsetting women are actually using hair dye to go gray . . . by choice. Nineteen-year-old model Pixie Geldof is a fan, telling The Times, "I’d been blond for three years and fancied a change," she says. “I wasn’t thinking about the color, I just put on a bunch of toner one day, and there it was. It was rad," she adds. Pixie's not alone in her absence-of-color hue. The old-timey shade has been spotted on the heads of hip Londoners, and has been seen everywhere from the runways of Giles Deacon to Gareth Pugh.

"Gray has always been seen as distinguished on men," Bumble and Bumble's Neil Moodie told the paper. "But on women it’s seen as aging, which isn’t necessarily true — the model Kristen McMenamy looks incredible [with it]. Normally, if you bleach hair, you can put in an ash tone to stop the brassiness, and it goes a slight grey-blue, so it also has that punk element," he explains. Thinking about going gray yourself? Don't attempt to turn yourself into a silver belle at home. Head to a salon for the professional treatment. Otherwise, you could be in silver hell.