David Hasselhoff and his wife of 16 years, Pamela Bach, are calling it quits. The actor's publicist announced Thursday that Hasselhoff has filed for divorce, citing irreconcilable differences. Today, Bach has also filed at the Los Angeles Superior Court. The couple, married since 1989, has two daughters. Hasselhoff is best known for starring on TV's "Knight Rider" and "Baywatch."