"I went from zero to my own hero," sings Katy Perry on her new upbeat single, "Roar." The track leaked a few days shy of its official Aug. 12 release. The song is a sure-to-be radio hit with an empowering theme similar to her track "Firework," off 2010's Teenage Dream album.
"Roar" is the first single off Teenage Dream's follow-up. Titled Prism, Perry's fourth album drops this fall -- Oct. 22 to be exact. In the lead up to the LP's release, Perry has decked out several trucks in gold in hopes of spreading the word about her new album across America. Unfortunately, one of those promotional trucks got hit by a drunk driver in a Walmart parking lot this weekend. Luckily, no one was hurt, but watch out for those Katy Perry trucks. Listen to Perry rooooooooooar below.