Giuliana Rancic Dishes on Jerry O’Connell’s Cheating Escapades When They Were Together

Jerry O'Connell's ex-girlfriend Giuliana Rancic is telling all about their relationship in her new book, 'Going Off Script: How I Survived a Crazy Childhood, Cancer, and Clooney's 32 On-Screen Rejections' - and what she has to say isn't all that flattering.

From a report by US weekly via Page Six, the online entertainment news outlet shared a few quotes from the book detailing her doomed romance with O'Connell in the early 2000s. According to the site, the Fashion Police host, 40, dated the Sliders actor, 41, after meeting him at the W Hotel in San Diego. Sometime later, she claims, he cheated on her with Spice Girl Geri Halliwell, aka Ginger Spice.

"I was being two-timed for one of the lesser Spices?" Rancic writes in her book (via Page Six). She goes on to describe his reaction to her finding out, comparing him to an apathetic airport employee.

The two ultimately reunited and even discussed marriage! But their reconciliation was short-lived. Attending Maxim's 100 Hottest Women party in 2004, she writes, O'Connell wandered off to flirt with another woman: his now-wife, Rebecca Romijn, with whom he has 6-year-old twin daughters, Dolly and Charlie.

"Little did I know he was in the VIP area, talking up Rebecca," Rancic notes in her book. "As a prelude to feeling up Rebecca."

Within days, she claims, he stopped returning her calls. According to Page Six, he also refused to buzz her up when she showed up at his house to confront him.

Rancic moved on, of course, and is now happily married to Bill Rancic, whom she wed in September 2007. They have one child together, son Edward Duke, 2.