First impressions matter! And studies have shown that a person’s smile is their single most memorable feature. So it’s no wonder that so many Hollywood stars are known for their incredible smiles. From Julia Roberts to Michael Jackson and Angelina Jolie to Beyoncé, it’s hard to say which celebrity has the most beautiful smile in the world. To celebrate the power of straight, pearly whites, here are some of our favorite celebrities who are celebrated both for their talent and their beautiful smile.