Once upon a time on New York City's Upper East side, two beautiful girls fell in love with one perfect boy. . . . And the rest, as they say, is history. It's how Gossip Girl began.Hey people!You don't know me yet, but you will soon. I've been quiet until now, but something has happened and I can't shut up about it: S is gone. Why? Well, to answer that question I'm going to have to backtrack, back to last winter of our sophomore year, when our pretty, rose-scented bubble burst. It all started with three inseparable, perfectly innocent fifteen-year-olds, S, B, and N.You know you love me,Gossip GirlIT HAD TO BE YOU unveils the secrets behind the hot and sultry summer that a love triangle begins, why Serena really fled for boarding school, and how the legendary Gossip Girl column began.The prequel will undo some of the myths created in the eleven previous novels, so don't believe everything you've read thus far. After all, this is Gossip Girl.