What is starry lemonade?

As an AI language model, I do not have knowledge on a specific brand or product called "Starry lemonade". However, I can provide general information about lemonade.

Lemonade is a refreshing summer drink made with freshly squeezed lemon juice, sugar, and water. It can be consumed as a non-alcoholic beverage or used as a mixer for making alcoholic cocktails. Lemonade is a popular drink all around the world and is commonly found in restaurants, cafes, and street vendors during the summer season. It is known for its tart and sweet taste, making it an excellent thirst-quencher on hot days. Lemonade can also be infused with different fruits and herbs to add additional flavors and aromas.