5 Most Shocking Revelations from Jessica Simpson’s Memoir, ‘Open Book’: From Nick Lachey to John Mayer

The title says it all. Jessica Simpson isn’t holding anything back in her new memoir, Open Book. The 39-year-old got candid on all topics ranging from past loves to health scares. The book, written in first person, gives a real account of the singer’s thoughts and feelings during those defining moments in her life. Scroll below for a look at the most shocking detail from her book. 

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