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.

The model “never wanted” to end things with the ‘Uptown Girl’ singer, but in the end had to make the decision to leave.