A former ballerina and rock groupie, Lily is the mother of Serena. That makes her mom to the most popular girl in Constance Billiard School.

Lily is aware that her daughter deals with sex, drugs and other bad influences at school. But she understands it's just part of being in the spotlight of the elite clique.

She is also drawn to the mystery of Gossip Girl, who seems to know every secret in the complex world of the rich and the glamorous.