More than 80 percent of teens and tweens, and even women are heading for theaters to catch the PG13 rated romance where a teenage girl falls for a handsome vampire: Twilight, a film directed by Catherine Hardwicke, and based on the four book Twilight series authored by Stephanie Meyer. The females flocking to the film are being called “fangirls,” and Twilight has been deemed the best film to succeed the well-loved, tremendously successful, Harry Potter series.