History was made 40 years ago with the creation of Diet Coke. Within two years, Diet Coke was the world's favourite light cola, and it still is! Diet Coke encourages you to love what you love, celebrating that unapologetic attitude that comes with knowing who you are and what you're into, whether it's ‘cool' or not. So add some sparkle to your day - without sugar or calories - with a crisp, refreshing Diet Coke!