Demi Lovato has gone through a number of ~dramatic~ hair changes this year, including adding some length back to her trademark short hair, but her latest might be the most dramatic yet...

She's gone blonde!

Though Demi has been known to debut new looks on Snapchat, this one — the big one — required the weight of Instagram. The light color is a stark difference from the dark hair Demi has preferred for the last two years, but it's far from the first time she's been blonde. Will a rainbow of bright colors follow, like last time? I hear rose gold is making a comeback...