Julia Roberts' Beauty, Diet & Fitness Secrets Exposed: Read these to get the Scoop on People's "Most Beautiful" Woman!

It was announced on Wednesday that the actress has landed her fifth title of People's Most Beautiful Woman in the World. Roberts reacted to the news by saying, "I am very flattered."

Roberts landed her first Beautiful Woman title in 1991, one year after the release of Pretty Woman. And throughout her career, the stunning star has given her advice on everything from beauty to diet to fitness.So what is her top beauty secret? Happiness."That is what makes everybody the most gorgeous," she told People.