Not only is this the most popular Frappuccino in Illinois, it's the most popular across the country.

Frappuccinos are Starbucks gift to the world.

Frapps are decadent and fun, there's also always a new flavor to try. I feel like I've had them all, but then again, I probably haven't.

I have, however, had the most popular Frappuccino in Illinois, but it's not my favorite.

According to a study from Seventeen Magazine, the most popular flavor is Caramel.

Really? I would've bet money it was Mocha. Especially when you take in all of the twists on the Mocha Frapp that Starbucks creates for special seasons.

Caramel takes the top spot in Illinois and 26 other states, making it the most popular in the country, with Mocha coming in with 18 states.

What's your favorite Frappuccino?

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