Casual sex has always been a staple in society. It does not matter if it is male/female, male/male, or female/female; humans have enjoyed having sex with no strings attached. Sometimes both parties are single, but often times one or both of the partners are already  in a relationship with someone else. However, there are even times when casual sex leads to something more. Below are 5 movies that prove casual sex in not always casual. 


"About Last Night"

This 1980s classic starring Rob Lowe and Demi Moore starts off when two young professionals (Moore and Lowe) have casual sex one night. However, they begin to see each other afterwards, eventually moving in with each other. The highlight of the film is Demi Moore's full frontal, though viewers are also subjected to the hideous sight of Lowe's tighty whities


"Fatal Attraction"


What started off as casual sex ended up as the male subjects family being stalked by a raving lunatic. One of the most disturbing movies of the 80s, "Fatal Attraction" is still talked about today. There have been other movies ("Hand that Rocks the Cradle" being one) that try to imitate this classic, but thus far, none have been successful.  



Angelina Jolie and Elizabeth Mitchell star in this sexy autobiographical film portraying a former supermodel who died of AIDS. Jolie and Mitchell are electrifying in their lesbian romp that was supposed to be casual, but ended up anything but. Speaking of butts, Jolie gives viewers a full nude view of hers. 


"Up in the Air"

"Up in the Air" is a drama starring George Clooney as Ryan Bingham. Bingham's job has him flying all over the world and during his travels he meets a young woman who also spends much of her time flying. They have casual sex whenever they cross paths. Finally, Ryan decides to fly to Chicago where he shows up on her doorstep but is shocked to find she is married with a family. 


"American Pie"

Hard luck virgin Jim Levenstein (Jason Biggs) decides to take band geek Michelle Flaherty to his senior prom. Poor Jim was having a miserable time until his date revealed an interesting trick she once performed with her flute. From there they had what they both thought would be casual sex, but during the third making of the movie, they get married. Talk about a long one night stand!