People say that there's a lot of pressure in Hollywood and it can affect the people living in it. That's why many artists change their appearance when they start to become more and more famous. From Ariana Grande and her famous ponytail, to Cole Sprouse and his new darker look. Hey, if we were also famous maybe we would also change something, but we won't tell you, it is our secret! Check out the video above!

These Stars Changed Dramatically When They Found Fame

Justin Timberlake and wife Jessica Biel