Pascal Le Segretain/Tristan Fewings/Getty Images There's nothing like a new hairstyle to completely overhaul your look, and celebrities are the masters of flawlessly switching up their appearance. Celebrities like Kim Kardashian West and Justin Bieber prove that sometimes a simple new hair color can be enough to make a total transformation, while others like Miley Cyrus and Keke Palmer take a more drastic approach that leave an even bigger impression.