AOL Moviefone has an online gallery of the “Top 25 Hookups on Set,” and while some of the actors were both single when they found solace in the arms of a co-star the examples are also full of notorious celebrity cheaters. We can all guess the couple named as number one. One of them was cheating probably and the other was widely blamed for it. Their film was ironically named “Mr. and Mrs. …” and although they became one of the most famous celebrity couples with a bunch of kids in a short period of time, they have yet to make it official. Given the many historical examples, these two won’t be the last or the most high profile. Workplace romances are common and often break up relationships.

Here are my favorite cheaters, with some examples from classic films. As much as Brad and Angelina are chastised now, it was much worse for the celebrities in the not-too-distant and more puritanical past. Thanks to AOL Moviefone for compiling the larger list of on-set hookups.

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AOL Moviefone.