Entertainment Weekly dubs the 25-year-old Alba - who recently hosted the MTV Movie Awards - as our Must Girl of Summer? Just one of the many reasons: She was the most-searched actress on Yahoo! in May.

"She's always thinking about what's the next best thing for her career," says Tim Story, who directed Alba in Fantastic Four. "She became a sex symbol so young, but she knew she wanted more than that. And she is more than that."