Celebrities change their hair all the time, often inspiring our own hair switch-ups. Even hairstylists appreciate when you take a photo of a celeb to the salon to help them understand exactly what you want. That being said, more unnatural hair colors are a bit tough to recreate—as cool as they are. Bella Thorne’s green hair though is actually kind of do-able if you’re starting with the right hue. The ombré look makes her mermaid shade more laid-back, as if she just decided to casually go green on a whim. Which to be honest, she might have done.