Quiz: Can You Guess The Film From The Love Rival?

Looking to put your nut through its paces this Sunday evening? Well look no further as we bring to you what can only be described as 'a quiz'.
It's time that we give a look in to those pesky chaps and chapettes we know in films as 'love rivals'. They float around like a nuisance for the majority of the movie, causing all sorts of strife for the protagonist, who's just simply trying to get their rocks off with their love interest, but at every turn. Bam! The love rival crops up, until ultimately, the protagonist wins out and it is the love rival who's life descends into misery.
See if you can guess the movie from the main character and love rival.