It's no secret that celebrities are constantly experimenting with their hair. Whether it's a new cut or a bold dye job, these hair chameleons certainly aren't afraid to change up their look. But for those of us who are a bit more conservative with our hair choices, it can be hard to find inspiration for our next big chop. So, we gathered the biggest celebrity hair transformations you'll want to recreate yourself at your next salon appointment—just beware, these famous follicles won't stay the same for long.