By Kelly Fisher Photo: Getty Images It’s time to indulge in some ice cream — and the sky is the limit when it comes to ice cream flavors. National Ice Cream Day is Sunday (July 18), and to help you get your sweet tooth ready, Instacart highlighted the most beloved ice cream flavors in America. The findings are broken down state-by-state. Instacart, the grocery delivery service, pinpointed the most popular flavors by examining its “purchase data featuring thousands of different ice cream products to reveal each state’s uniquely popular ice cream flavor.” Chocolate and vanilla are classics. In fact, vanilla accounts for 26.2% of ice cream sales nationwide, according to Instacart.