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12 Cheating Celebrities

August 3rd, 2012 5:09pm EDT

Jesse James & Sandra Bullock With all the temptations in Hollywood, it's not unusual for someone in a committed relationship to stray. In fact, these days it seems quite common for stars to cheat.

Sometimes actors begin their affairs while on the film set far from home. Other times they're marriages are failing, and they find new partners to make them happy.

Whatever the reason, people cheat. And if you happen to be famous, the world often hears about it.

Sandra Bullock took a chance when she married Jesse James. His first wife was a porn star, after all. Sandra and Jesse wed in 2005 and James' infidelity was exposed in 2011, just days after Bullock won an Oscar for her role in The Blind Side. Talk about being blindsided.

Sandra and Jesse were also in the process of adopting a son when she discovered he had slept with heavily tattooed Michelle "Bombshell" McGee. However, Sandra handled the affair with grace and hasn't looked back since. Jesse later got engaged to tattoo artist Kat Von D and reportedly cheated on her too.

Check out other cheating stars...

Angelina Jolie and Brad Pitt insist they weren't physically intimate when they worked on "Mr. & Mrs. Smith" together in 2005, but emotional cheating can be just as painful. Jennifer Aniston was the injured party in this case. Jolie also reportedly got her claws in Billy Bob Thornton while he was dating Laura Dern.

Tiger Woods cheated mulitple times on his gorgeous wife Elin Nordegren. The pair divorced in 2010 after a huge scandal and multiple women stepped forward claiming they had sex with the golfer.

After her marriage to Charlie Sheen failed, Denise Richards hooked up with pal Heather Locklear's husband, Richie Sambora, in 2006. However, Richards later explained, "I never had an affair. I never cheated on Charlie, and Richie never cheated on Heather." Richards claimed she and Heather weren't close when she romanced Richie. Denise and Richie stayed together for a year, broke up, and rekindled their romance in 2011 before splitting up again.

Meg Ryan and Russell Crowe met while filming "Proof of Life" in 2000. The actress insists her marriage to Dennis Quaid was irreparably damaged long before she met and fell for Crowe on set. She later said, "He (Crowe) wasn't a home wrecker and he took a lot of heat for that."

Hugh Grant was dating model Elizabeth Hurley when he was inexplicably caught performing sexual acts with a prostitute in 1995.

LeAnn Rimes cheated on her husband of seven years, Dean Sheremet, with actor Eddie Cibrian, who was also married, in 2009. Rimes and Cibrian met on the set of the Lifetime movie "Northern Lights." The two are now married.

Fans were stunned after learning in 2011 that Arnold Schwarzenegger fathered a secret lovechild with a member of his household staff. It broke up his marriage to Maria Shriver.

Basketball star Kobe Bryant has been the subject of several cheating scandals. Wife Vanessa stood by her man in 2003 after he was accused of sexual assault and admitted to having an affair. According to TMZ.com, Vanessa caught Kobe with "multiple women" over the years and eventually filed for divorce. However, she later called it off and they're still together.

After more than seven years of marriage, Ryan Phillippe and Reese Witherspoon divorced amid rumors that Phillippe cheated with his "Stop-Loss" co-star Abbie Cornish in 2006.

In 2008 David Duchovny and Tea Leoni separated after 11 years of marriage due to his sex addiction issues. The couple reconciled but split again in 2011.

In 2012, Kristen Stwewart cheated on Robert Pattinson with her "Snow White & The Huntsman" director Rupert Sanders, who happend to be married with two children.

Related: Angelina Jolie, Arnold Schwarzenegger, Brad Pitt, David Duchovny, Denise Richards, Eddie Cibrian, Hugh Grant, Jesse James, Kobe Bryant, Kristen Stewart, Leann Rimes, Meg Ryan, Richie Sambora, Rupert Sanders, Russell Crowe, Ryan Phillippe, Sandra Bullock, Tiger Woods, Starpulse Exclusives, Celebrity, Cheaters

Photo Credits: PR Photos; PacificCoastNews.com; Warner Bros.; BH Impact

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