The secret to Natalie Portman's youthful glow may be in the food she eats.
Some claim a plant-based diet increases energy. Others say it clears their skin. Regardless, there are numerous celebrities - from Ariana Grande to Bill Clinton - who claim that changing their diet has drastically changed their life. (And if you're convinced that you need to switch things up, check out these easy vegan dinner and dessert recipes!)