Crisp, cold and reliable, this is the one and only Diet Coke —your everyday wing (wo)man, your deliciously fizzy go-to companion. This is the kind of sugar-free soda that you want throughout your day. Whether you’re looking for a tasty way start to your day or to refresh your afternoon, you'll never be lost with a Diet Coke. Diet Coke always hits the spot. Alongside meals, celebrations or just your friends in your backyard, at any time of day. In fact, it’s basically a friend itself. Because it’s the best kind of familiar, and something you never have to second guess.