Valentine's Day is here again, and while some of Hollywood will be celebrating their successful love lives, some former A-list lovers will simply have to reminisce about their passionate on-set affairs.
For some, such as 'Twilight's hottest couple Robert Pattinson and Kristen Stewart who were rocked by Stewart's affair with director Rupert Sanders, they may take some small comfort in the knowledge that on-set affairs are often fleeting.
In the past, Elizabeth Taylor and Richard Burton shocked the world, and their spouses, with blatant displays of affection while filming 'Cleopatra' in Rome. Even the Pope voiced his outrage at the pair's carrying-on.
It seems hours of sitting around - often in locations far away from the rest of humanity - with only each other for distraction and amusement has led to innumerable romantic unions being forged as the camera winds, which can be no good for the poor cuckolds left back home.
Here are some of the more celebrated couplings which got steamy on film sets - including a few that were as shocking and dramatic as anything that later appeared on the big screen...
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