If you've found yourself in the position of craving both a Diet Coke and a flavored seltzer at the same time, Coca-Cola hears you. The soda giant is adding two new variations to its flavored line-up, following last year's roll-out of Ginger Lime, Twisted Mango, Zesty Blood Orange, and Feisty Cherry Diet Coke. First up: Strawberry Guava. Dubbed 'the pink one' in our office taste test, it's "very sweet" and "not totally what you're used to when drinking Coke," per one editor.