"Monster" is a song by American rock band Paramore. It was released on June 7, 2011 for digital download. It is also the second single from the Transformers: Dark of the Moon OST, which was released on June 14, 2011. It is the first song to not feature former band members Josh and Zac Farro, who separated from the band in 2010.
A sneak peek of the song surfaced when lead singer Hayley Williams posted lyrics on the band's Official Fan Club. An audio video for the song was posted on YouTube on June 2, 2011. The video itself achieved over 1 million views in the first three days of posting. The song won Choice Rock Track at the 2011 Teen Choice Awards. On March 24, 2016, the song was certified gold by the Recording Industry Association of America (RIAA), for sales exceeding 500,000.
Taylor York performed the drum parts for the track.