Christie Brinkley gave her fans a candid glimpse into her personal life in her 2025 book, Uptown Girl. While her most famous former relationship was with ex-husband Billy Joel, the mother of three spotlights her marriage to Peter Cook and his affair in the memoir.

I knew from Peter’s face that he was guilty. . . I also felt tears began to well in my eyes," Brinkley writes.

"There were many times I wondered if I’d ever recover," the supermodel, 71, writes in her new memoir 'Uptown Girl' of the scandalous split from her fourth husband