Katy Perry Will Be Featured On John Mayer's New Album

Are Katy Perry and John Mayer making beautiful musical together? According to Rolling Stone, the on again, off again pair will indeed duet on John's upcoming album, Paradise Valley. Their song is called "Who You Love" and is described as a "country-tinged mid-tempo track." Hmm, the same can be said for Mayer's "Half Of My...