Diet Coke it’s the one and only Diet Coke. your everyday hero. your deliciously fizzy go-to companion. the bubbly beverage you can count on. incredibly refreshing, always. each sip serves up the crisp taste you expect with zero sugar and zero calories. whenever you need it? it’s there. and get this: it’s been the real deal since 1982. that means whenever you grab a can, glass, or bottle, you know it’s the one you love.