Cosmopolitan
Carrie Bradshaw / Miranda Hobbes / Charlotte York
Near the end of the film the four friends share a nostalgic round of Cosmos, and Carrie jokes about why they gave them up.
“Why did we ever stop drinking these? / Because everyone else started!”
Sources: Wikipedia: Cosmopolitan (cocktail); VinePair: A Power Ranking of Cosmopolitans From 'Sex and the City'