Taylor Swift uploaded the video above to her Tumblr account. It's Taylor singing "I don't wanna live forever", the new single that appears on the soundtrack for the upcoming squeal to 50 Shades of Gray "50 Shades Darker".

The film opens at select theaters in central Texas on February 9th. The movie is expected to take in a huge Valentines Box Office haul this month. Experts are predicting the movie to make 32-40 Million opening weekend.

Here is the trailer (below) for the upcoming film featuring Taylor's news song.