Britney Spears is one and done as judge on "X Factor".
TMZ reports.... Britney loves the show but wants to focus on her music. She is in the studio recording her 8th album, with some help from Will.i.am....
Sources say: "Britney loves Simon, she likes Demi Lovato but her thing is music."
After she completes the album, Britney is considering going on tour.