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.

Christie Brinkley is taking a look back at her whirlwind marriage with Billy Joel, which lasted from 1985 to 1994, in her upcoming memoir 'Uptown Girl.' While she says she believe