Giuliana Rancic accuses ex-Jerry O'Connell of cheating with a Spice Girl

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Giuliana Rancic Jerry O'Connell
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Giuliana Rancic accuses ex-Jerry O'Connell of cheating with a Spice Girl
Giuliana and Jerry O'Connell during 2003 MTV Movie Awards - Arrivals at The Shrine Auditorium in Los Angeles, California, United States. (Photo by Jeff Kravitz/FilmMagic)
Jerry O'Connell and girlfriend Giuliana DePandi during Elton John AIDS Foundation's 11th Annual Oscar party co-hosted by In Style and AOL in association with MAC Cosmetics and Global Naps at The Marquee in West Hollywood, California, United States. ***Exclusive*** (Photo by SGranitz/WireImage)
Jerry O'Connell and Giuliana during Louis Vuitton Hosts Kick-Off for Project Angel Food’s Divine Design 2003 at Louis Vuitton in Beverly Hills, California, United States. (Photo by Arun Nevader/WireImage)
WEST HOLLYWOOD, CA - JUNE 12: Actor Jerry O'Connell (L) and E! news anchor Giuliana attend Nicole Miller's 20th Anniversary Party at Nicole Miller Boutique on June 12, 2003 in West Hollywood, California. (Photo by Robert Mora/Getty Images)
Jerry O'Connell and Giuliana DePandi (Photo by Theo Wargo/WireImage)
LOS ANGELES - OCTOBER 30: Actor Jerry O'Connell and wife Giuliana DePandi attend the Richard Tyler fashion show during the Mercedes-Benz Shows LA 2004 Spring Collections at The Club in the Standard Hotel October 30, 2003 in Los Angeles, California. (Photo by Mark Mainz/Getty Images)
Jerry O'Connell and Giuliana during Mercedes-Benz Shows LA Fashion Week Spring 2004 - Richard Tyler Backstage and Front Row at The Standard Downtown LA in Los Angeles, California, United States. (Photo by J. Vespa/WireImage)
Jerry O'Connell and Giuliana during Mercedes-Benz Shows LA Fashion Week Spring 2004 - Richard Tyler Backstage and Front Row at The Standard Downtown LA in Los Angeles, California, United States. (Photo by Malcolm Ali/WireImage)
HOLLYWOOD - NOVEMBER 13: Actor Jerry O'Connell and Giuliana DePandi arrive at the Sony Ericsson T610 and T616 'Shoot for the Stars' Charity Auction to benefit The Make-A-Wish Foundation held at the Skybar at the Mondrian Hotel on November 13, 2003 in Los Angeles, CA. (Photo by Frazer Harrison/Getty Images)
Jerry O'Connell and Giuliana during 11th Annual Diversity Awards at Beverly Hills Hotel in Beverly Hills, California, United States. (Photo by Jean-Paul Aussenard/WireImage)
Jerry O'Connell and Giuliana Depandi at the Mann Village Theatre in Westwood, California (Photo by Albert L. Ortega/WireImage)
Jerry O'Connell and giuliana during NBC All-Star Party - Arrivals at Hollywood and Highland Entertainment Complex in Hollywood, California, United States. (Photo by Jean-Paul Aussenard/WireImage)
NEW YORK - JANUARY 27: Actor Jerry O'Connell and fiance Giuliana DePandi arrive at A & E Television Networks' 20th anniversary celebration at the Mandarin Oriental Hotel January 27, 2004 in New York City. (Photo by Evan Agostini/Getty Images)
NEW YORK - JANUARY 27: (NEW YORK DAILY NEWS AND NEWSDAY OUT; ITALY OUT) Jerry O'Connell and Giuliana Depandi arrive for the A&E Television Network's 20th anniversary celebration on January 27, 2004 at Manderine Oriental Hotel, in New York City. (Photo by Arnaldo Magnani/Getty Images)
Jerry O'Connell and Giuliana DePandi (Photo by SGranitz/WireImage)
CULVER CITY, CA - APRIL 2: Jerry O'Connell and Giuliana DePandi pose during the Louis Verdad fashion show at Mercedes Benz Fashion Week in Smashbox Studios on April 2, 2004 in Culver City, California. (Photo by Vince Bucci/Getty Images)
Jerry O'Connell and Giuliana DePandi during Mercedes-Benz Fall 2004 Fashion Week at Smashbox Studios - Day 5 - Arrivals at Smashbox Studios in Culver City, California, United States. (Photo by Jean-Paul Aussenard/WireImage)
Jerry O'Connell and Giuliana DePandi during Maxim Magazine Hot 100 Party in Celebration of the Grand Opening of Body English, In the Hard Rock Hotel & Casino - Red Carpet at Hard Rock Hotel & Casino in Las Vegas, Nevada, United States. (Photo by Denise Truscello/WireImage for Bragman Nyman Cafarelli)
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Looks like Giuliana Rancic never got back on good terms with her ex Jerry O'Connell!

In her new book "Going Off Script: How I Survived a Crazy Childhood, Cancer, and Clooney's 32 On-Screen Rejections," the 40-year-old Fashion Police co-host accuses O'Connell, whom she dated from 2003-2004, of cheating on her with Ginger Spice Geri Halliwell of all people!

"I was being two-timed for one of the lesser Spices?" writes Giuliana, adding that when she confronted him, "He had as much emotion as the customer-service representative who tells you your bags missed the flight."

Lesser Spices?! Those are fighting words!

Giuliana Rancic Spills on Dating Jerry O'Connell

WATCH: Giuliana Rancic Hints She Won't Be Returning to 'Fashion Police'

After splitting up, Jerry O'Connell, 41, married 42-year old actress Rebecca Romijn in 2007, who Giuliana claims in her book he also cheated with during their relationship. That year, Giuliana married Bill Rancic, 43, with whom she now shares a 2-year-old son.

Going Off Script was written before Giuliana's highly controversial Fashion Police statements about Zendaya's hair. Since then, Kathy Griffin and Kelly Osbourne have left the show, and Giuliana has given some indication that she may not be back next season.

NEWS: Giuliana Rancic Apologizes to Zendaya

"Going Off Script" hits shelves April 7.

18 PHOTOS
Spice girls
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Giuliana Rancic accuses ex-Jerry O'Connell of cheating with a Spice Girl
Geri Halliwell and Victoria Beckham pose for a photo shoot at the Four Seasons Hotel on April 29, 1997 in Kuta, Bali, Indonesia. (Photo by John Stanton/WireImage)
Victoria Beckham, Mel C, Emma Bunton, Geri Halliwell and Mel B from The Spice Girls (Photo by Jeff Kravitz/FilmMagic)
UNITED STATES - SEPTEMBER 04: The Spice Girls attending the 1997 MTV Video Music Awards, NYC. 09/04/1997 (Photo by Vinnie Zuffante/Getty Images)
LONDON, UNITED KINGDOM - OCTOBER 16: A young girl holds the Spice Girls dolls which were unveiled at the Toy Retailers Fair in London by the Character Group which has exclusive rights to distribute the dolls in the UK 16 October. (Photo credit should read JOHNNY EGGITT/AFP/Getty Images)
Paris, FRANCE: (FILES) File photo dated 16 December 1997 shows the Spice Girls posing at a hotel in Paris. Pop group the Spice Girls announced 28 June 2007 they are to reform for a world tour, saying 'girl power is back and stronger than ever,' in a statement posted on their website. AFP PHOTO THOMAS COEX (Photo credit should read THOMAS COEX/AFP/Getty Images)
INDIANAPOLIS, UNITED STATES - 1998: L to R Melanie Brown, Melanie Chisholm, Emma Bunton and Victoria Adams from the Spice Girls in Indianapolis celebrating their hit 'Viva Forever' reaching number 1. (Photo by Dave Hogan/Getty Images)
L-R Mel C (Melanie Chisolm), Geri Halliwell, Emma Bunton, Mel B (Melanie Brown), Victoria Adams of the Spice Girls pose for a studio group portrait in 1998 in Birmingham, United Kingdom. (Photo by Mike Prior/Redferns)
Portrait of UK pop group The Spice Girls (Victoria Beckham, Melanie Brown, Emma Bunton, Melanie Chisholm and Geri Halliwell) photographed in London in 1998. Job: 34206 Ref: SDD - Non-Exclusive - World Rights Only (Photo by Steve Brown/Photoshot/Getty Images)
Melanie Chisholm, Geri Halliwell, Victoria Beckham, Emma Bunton, and Melanie Brown of the Spice Girls (Photo by Jim Smeal/WireImage)
NEW YORK CITY - JANUARY 14: Pop group Spice Girls: 'Posh Spice' Victoria Adams, 'Scary Spice' Melanie Brown, 'Baby Spice' Emma Bunton, 'Ginger Spice' Geri Hallliwell and 'Sporty Spice' Melanie Chisholm promote their new movie 'Spice World' on January 14, 1998 at Planet Hollywood in New York City. (Photo by Ron Galella, Ltd./WireImage)
UNITED KINGDOM - FEBRUARY 10: BRIT AWARDS, LONDON ARENA Photo of SPICE GIRLS, Group portrait L-R Melanie Brown (Mel B), Victoria Adams (Beckham), Geri Halliwell, Emma Bunton and Melanie Chisholm (Mel C) (Photo by JMEnternational/Redferns)
UNITED KINGDOM - FEBRUARY 10: BRIT AWARDS, EARLS COURT Photo of SPICE GIRLS, Group performing live on stage L-R Melanie Chisholm (Mel C), Geri Halliwell, Victoria Adams (Beckham), Emma Bunton and Melanie Brown (Mel B) (Photo by Mick Hutson/Redferns)
UNITED KINGDOM - APRIL 01: WEMBLEY ARENA Photo of SPICE GIRLS, Group performing live on stage Spiceworld tour L-R Melanie Chisholm (Mel C), Geri Halliwell, Victoria Adams (Beckham), Emma Bunton and Melanie Brown (Mel B) (Photo by Mick Hutson/Redferns)
LONDON, UNITED KINGDOM: The Spice Girls pop group pose for photographs next to their life-size wax models at Madame Tussaud's Rock Circus in Piccadilly 17 December 1999 in London. (From L) Scary, Posh, Sporty and Baby are the first pop band combo to be modelled since the Beatles in 1964. (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
LONDON - DECEMBER 15: Sarah Ferguson with daughters Eugene and Beatrice pose with The Spice Girls on December 15, 1999 at Earls Court, London. (Photo by Dave Hogan/Getty Images)
Spice Girls in New York City, New York (Photo by RJ Capak/WireImage)
UNITED KINGDOM - DECEMBER 13: HEATHROW AIRPORT Photo of SPICE GIRLS and Victoria BECKHAM and Geri HALLIWELL and Mel B and Melanie BROWN and Emma BUNTON and Mel C and Melanie CHISOLM, L-R: Victoria Beckham, Geri Halliwell, Mel B (Melanie Brown), Emma Bunton, Mel C (Melanie Chisolm) posed, group shot, at opening of Virgin Terminal 5 (Photo by Stuart Mostyn/Redferns)
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