Just like clothing trends, hair trends are constantly evolving. From ombré to pastels to platinum blonde, it seems like as soon as you try the newest trend, there’s something else taking the world by storm! But what’s the newest trend? Just take a look around. It looks like grey hair is no longer just for the more “mature” fashionistas. Here we have a few celebrities who have joined the grey hair trend and are bringing it into the new year.