Christie Brinkley says 'booze was the other woman' in her marriage to Billy Joel: 'He preferred to be with 'her' rather than with me.'

In a new memoir, the supermodel goes into pretty excruciating detail about the rocker’s wildly excessive drinking, frightening behavior and angry denials when confronted about cheating.

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