The model and author opened up about her strained relationship with her brother Greg Christie Brinkley is opening up about her estranged brother, Greg Brinkley. During a conversation about her new memoir Uptown Girl at the 92nd Street Y in New York City,

Christie Brinkley offers a revealing glimpse into the challenges of being one of the world’s original supermodels in her new memoir, “Uptown Girl.”

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.