I am currently reading the latest in the Gossip Girl series by Cecily von Ziegesar. This series is definitely a guilty pleasure as I mostly like reading about all the couture everyone wears. In my opinion, they are actually a little trashy, but highly enjoyable. I recommend them as an easy read, but start with the first one (aptly titled "Gossip Girl") or you'll be lost. And if you like these, try her offshoot series, "It Girl" starring little Jenny Humphrey.