Gigi Hadid just debuted a dramatic new hairstyle, and you may want to get a Pinterest board ready in her honor. The model ...

Nico: Today I'm gonna be testing out four temporary hair dyes. I'm somebody who does not ... This is the pinkest pink I think I've ever seen in my life. I've heard of Manic Panic before.

But if you'd rather try out the trend first, we're huge fans of the Hally Hair Pink Temporary Hair Dye ($10) or the L'Oréal Paris Colorista 1-Day Color Spray ($6), which both can make for a quick ...