The new version of the album is called "The Life of a Showgirl: The Encore", and the new songs were recorded with Swedish producers Max Martin and Shellback, Taylor Swift says on Instagram.
Swift writes that she went to Sweden to celebrate the strong sales figures for "The Life of a Showgirl".
"I went to Sweden to celebrate with Max and Shellback," she writes, adding:
"We just wanted to reflect on and digest how grateful we were for this moment, but there was a studio there and we did what we do when we feel something: we wrote more songs," Swift writes.
