Demi Lovato Goes Back To Bold Pink Hair Color. We swear that Demi has tried almost every hair color under the sun…well we wouldn’t go that far, but the pop singer has rocked quite a few vibrant colors. At the moment it seems as if pink is her favorite hue, since she recently rent back to the color late last January. While many celebs have actually moved away from bold hair color chooses (aside from blue) over the last few months Demi is proudly hanging on, and has even made bold strands apart of her trademark. Check out her edgy pink mane after the drop.