From the dazzling bestselling duo Jane O’Connor and Robin Preiss Glasser, comes a story featuring Fancy Nancy for girls who adore their favorite dolls—and their favorite sisters! Fancy Nancy's sister, JoJo, can really be a pest sometimes . . . like when she put Easter-egg dye in the kiddie pool and dunked Frenchy in it! But this time she's done something really bad, and Nancy is livid—that's fancy for tres angry and upset. JoJo drew a tattoo on Nancy's precious doll, Marabelle Lavinia Chandelier! Even worse, it's in permanent marker. That means it will never come out! When Mom suggests a fancy doll party to make Nancy feel better, Nancy is excited to accept. But what if the doll drama isn't over? Fans of Fancy Nancy will delight in this sibling story full of do-it-yourself fun!