Lily James showed off her new dark brown-blue hair transformation, nearly three years after she returned to her trademark ...

Check out these blue black hair color ideas to give your look a major refresh. Plus, shop for blue black hair dye.

Blue hair can be as minimal as a few blue highlights or a full bright-blue dye job. Show these 25 blue hair ideas to your stylist at your next appointment.

Velveeta just launched a new hair dye that looks just like its famous "golden' cheese — and Julia Fox debuted it at the March 31 Knicks game.

Garcelle Beauvais with an ombré blue hair look made us do a double-take. See the photo of her stunning style here.

Check out these 20 spring hair color ideas and inspo, from apricot to Chantilly-cream blonde to rich espresso, plus tips on how to keep your color fresh.