What kind of glass is typically used to serve a Champagne Cocktail?

A Champagne Cocktail is typically served in a Champagne flute. This glass is designed with a long stem and a narrow bowl, which helps to preserve the bubbles and effervescence of the Champagne, ensuring that the drink remains fizzy for an extended period. The flute's shape allows for better aroma concentration, enhancing the overall tasting experience.

The other glass types mentioned do not serve the purpose of this cocktail as effectively. Highball glasses and rocks glasses are designed for serving mixed drinks or straight spirits over ice, while coupe glasses, although they have historic ties to Champagne service, are better suited for cocktails that require more surface area or when a different aesthetic is desired. Hence, the Champagne flute remains the ideal choice for serving a Champagne Cocktail.