Katy Perry is officially ... Teenage Dream in 2010, Prism in 2013 and Witness in 2017. While Perry hasn't specifically announced a new album, she has teased that new music could be on the horizon.

Pop star Katy Perry and ex ... they collaborated on the song Who You Love from Mayer's Paradise Valley album. Mayer also played guitar on It Takes Two from Perry's Prism album.