Miley Cyrus is taking her love for Metallica to a whole new level. In a conversation with fashion designer Rick Owens for magazine, the 27-year-old singer revealed she's working on a Metallica cover album.Cyrus did not reveal which songs from the legendary rock band will be on the album.«We've been working on a Metallica cover album and I'm here working on that,» Cyrus says when asked about what she's been up to.