In her memoir 'Uptown Girl,' Christie Brinkley writes about the scary incident that led her to divorce Billy Joel.

Christie Brinkley and Billy Joel's relationship lasted nearly a decade before the couple divorced. Brinkley admitted that she didn't want to leave Joel, but his drinking problem was too much for her to handle.

Christie Brinkley once thought Billy Joel was her soulmate. But in her new book, Uptown Girl, the 71-year-old model reveals how his battles with alcohol ultimately shattered that dream—and their marriage.