"Roar" is a song performed by singer-songwriter Katy Perry, included as the first single from his album PRISM. The Capitol Records released it on August 12, 2013 as a digital download on iTunes. It debuted on the radio two days earlier, on August 10, 2013. It reached the first spot on the Billboard Hot 100 in the United States, becoming her eighth single to achieve this position. It also topped the charts in the UK, Canada, Australia, New Zealand, Ireland, Austria and Israel.
Katheryn Elizabeth Hudson, better known by her stage name Katy Perry, is an American singer, guitarist, songwriter and actress. Perry grew up listening to gospel music and singing during her first year in high school. In 2007, she signed with Capitol Records, and this is her fourth record label in seven-year career, adopting the stage name Katy Perry.