Despite how they look in the final cut, on-screen kisses are rarely romantic. Imagine being surrounded by a large film crew, hearing the director shouting, and doing multiple takes... Those intimate moments become anything but intimate.
Some actors are true professionals who go out of their way to make their co-star feel comfortable, but others aren't quite as considerate. In fact, some go out of their way to make the experience terrible.
Click through the gallery to find out who got five stars and who was offered a mint.