T.G.I.F.

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.

Katy Perry, who is now on tour, has debuted her latest music video to "Last Friday Night" (T.G.I.F.). Find out what happened to Kathy Beth Terry in the official music video.

While the song continues to climb the charts, many are already saying this could be the "song of the summer." Here is a quick tease of the video. Note, the music in the clip does the song NO justice, just an FYI.