23-year-old socialite-model Lydia Hearst's influence is diffused throughout the zeitgeist like a fine Evian mist. Did we know, for example, that she's "been called the real-life inspiration for Gossip Girl? (She just filmed a small role for the show.) Anyway, that's what she tells us that a magazine told her, via her Page Six magazine column. Then she makes us sit through an item about musician Joe Barney, who just "happens to be my boyfriend."