It happened one summer : a novel

Piper Bellinger is fashionable, influential, and her reputation as a wild child means the paparazzi are constantly on her heels. When too much champagne and an out-of-control rooftop party lands Piper in the slammer, her stepfather decides enough is enough. So he cuts her off, and sends Piper and her sister to learn some responsibility running their late father's dive bar, in Washington