In what is quickly becoming "the song of the summer," Katy Perry's latest hit song titled "Last Friday Night" is being remixed and mashed-up on the internet by several amateurs. While it may be a fun song to sing along to, see what happens when BuzzFeed gets their hands on several renditions of the hit song.In this video several amateurs attempt to bring-it as Katy would, but see who has it, and well, who doesn't. Turn-up the speakers and sing along. We know you may not be as bad as some in this video.