Being happy is the key to coming across as a beautiful individual, says Julia Roberts

Julia Roberts saysthe key to lookingbeautifulis to stay happy and content.ThePretty Womanstarbelieves self-confidencealso plays a vital role in improving appearance of a person.''I honestly think the key to anyone looking beautiful is being happy in their life. That's really the biggest part of what anybody looks like because, whether you mean to or not, you wear your life on your face and in your posture and in your attitude. So that is the number one key to coming across as a beautiful individual,''the44-year-old told Britain's Hello! Magazine. Roberts said that healthyeatinghabits and working out on a daily basis also plays animportantrole.''I do try to eat well and have a balanced amount of the good stuff. I guess it's about water and things that are green. My girlfriend advised trying a gluten-free diet as an experiment. She said, 'If I go through your pantry and replace everything that you have with a gluten-free version, will you just try it?' And I said yes.Now I feel good - I'm getting there!''