Biggest Celebrity Cheating Scandals

Take a look back at some of the biggest cheating scandals to rock Hollywood.

In March 2010, several women claimed to have had affairs with Jesse James, Sandra Bullock's then-husband of five years. Though he entered rehab, Bullock filed for divorce in April of that same year.

In May 2011, Arnold Schwarzenegger and Maria Shriver terminated their relationship after 25 years of marriage. Just days after the news broke of their separation, The Los Angeles Times revealed that Schwarzenegger had fathered a love child 14 years earlier with Mildred Baena, an employee in their household.

Kristen Stewart and Robert Pattinson ended their fairytale-like romance in 2012, after UsWeekly posted photos of Stewart kissing her married Snow White and the Huntsman director Rupert Sanders. Stewart publicly apologized to Pattinson and the two were briefly reunited, before breaking up again in 2013.

In 2009, Tiger Woods publicly apologized for his admitted "transgressions" after more than a dozen women claimed to have had affairs with the popular golfer. Nordegren and Woods divorced in August 2010.

In December 2013, UsWeekly reported that Tori Spelling's husband of seven years, Dean McDermott, cheated on her while in Toronto. Though the couple never addressed the reports, McDermott entered rehab in January, telling People, "I take full responsibility for my actions and have voluntarily checked myself into a treatment center to address some health and personal issues. I am grateful to be getting the help I need so I can become the husband and father my family deserves."

LeAnn Rimes divorced her first husband Dean Sheremet in 2009, after she was photographed kissing her Northern Lights co-star Eddie Cibrian -- who was also married at the time to Brandi Glanville. Rimes and Cibrian have been married since April 2011, though infidelity rumors on his part have continuously dogged the pair.

In July 2005, Jude Law issued a public apology to his then-fiancée Sienna Miller, admitting to an affair with the nanny of his children. After separating, the two reportedly got back together in December of that year, before splitting again in February 2011.

After an UsWeekly report in 2011 that Ashton Kutcher cheated on his then-wife Demi Moore with 22-year-old San Diego-based Sara Leal, Moore released a statement announcing her intention to divorce Kutcher that same year. Their divorce was officially finalized on November 27, 2013.

In October 2009, David Letterman admitted to infidelity on the Late Show after he became the victim of an extortion attempt by a man threatening to reveal that he had sex with several of his female employees. After publicly apologizing to Lasko, the couple is still together.

In October 2013, photos were published showing a married Katharine McPhee kissing her also married Smash director Michael Morris. Later it was revealed that McPhee had separated from her husband Nick Cokas six months earlier.