It’s hard to say what inspires people to go out and hurt the ones they love – or claim to love. It’s even harder to fathom the idea of keeping up a secret affair, month after month, when you could just break up with your original partner. But whether it was a chance meeting or deliberate act, these stars just couldn’t seem to resist the illicit chemistry. That is, of course, until they were caught. Most of them were ashamed. A few of them got away with it. And some, it seems, couldn’t even care less.