Zayn Malik with Swift!

Before Christmas Taylor Swift and Zayn Malik disclose the subject they recorded together for the new movie "Fifty Shades Darker"

The song was published just before midnight on Thursday night (December 8) and is available to download now on iTunes. In just over an hour, the issue has become number one, showing the pull of the ten winning Grammys. Made the musical star has shared his Instagram account with a catch of the list of most downloaded songs. Just two days ago, Taylor hung a short video with images of Dakota Johnson and Jamie Dornan in the second part of the adaptation of the bestseller by EL James with his theme.

"I just want to keep calling your name until you return home," sings the boyfriend of her best friend, Gigi Hadid, one of the verses. For its part, the ex-girlfriend of Tom Hiddleston intones at one point of the song: "I'm sitting, eyes wide open and I have a thing stuck in my mind I wonder if I dodged a bullet or just lost the love of my life.".

The soundtrack of Fifty Shades of Grey was the seventh best-selling album in 2015, reaching number one in seven countries, including the United States, where they entered the Billboard 200 and Soundtrack Albums list, thanks to the good reception three their singles: Earned It, The Weeknd; Love Me Like You Do, Ellie Goulding; Slated and Wound, Sia.