Blake Lively

Gossip Girl franchise grows up

Once your books have become a cultural phenomenon, what do you do next? If you're Cecily von Ziegesar, author of the Gossip Girl franchise, the answer is – leave high school behind and graduate to college. Nor is that the only thing she's graduating to. Von Ziegesar's newest novel, Cum Laude, is being marketed not to a teen audience, but to adults.

The guilty pleasure of Gossip Girl

Boyfriends, blogs and blazing rows – Gossip Girl is vacuous rubbish aimed at 13-year-olds. And its return is set to be a triumph, says Esther Walker

Teenage kicks: How Gossip Girl changed TV

A teenage drama set in New York's exclusive Upper East Side has become the hottest thing in showbusiness – and is changing the way the world watches television. As Britain falls under its glamorous spell, Stephen Foley explains how a soap about overprivileged rich kids turned into the talk of the town