Why Liza Manelli was on sex and the city?

Liza Minnelli made a guest appearance on "Sex and the City" in the fourth season, specifically in the episode titled "The Agony and the Ecstasy." Her character is a fictionalized version of herself, where she performs at a charity event attended by the main characters. The cameo added a touch of glamour and celebrity to the show, reflecting its themes of friendship and the vibrant social scene of New York City. Additionally, Minnelli's presence highlighted the show's connection to the world of fashion and entertainment.