FORMER Baywatch star David Hasselhoff was divorcing wife Pamela Bach after 16 years of marriage, citing irreconcilable differences, his publicist said. Hasselhoff, 53, filed for divorce in Los Angeles yesterday, and the couple had agreed to an amicable settlement, publicist Judy Katz said. The actor, also known for starring in the TV drama Knight Rider has two daughters with Bach, according to his website, www.davidhasselhoff.com.