Let's get real. Hollywood has some of the most attractive people in the world working in the movie and television industry. So, what happens when two beautiful actresses or actors are put together on a set for six months at a time…or sometimes longer? A lot of kissing behind-the-scenes!

Without fans realizing it, sometimes these romances happen and end without a warning. Of course, there are other times when real love is found and a marriage or a relationship comes out of these kisses off screen!

We've rounded up 14 celebrity co-stars who have kissed or have been rumored to have kissed once the cameras stopped rolling and it may completely shock you.

Click through the gallery and let us know which co-star couple is your favorite in the comments below!