One Direction and Ed Sheeran in charity supergroup
10 November 2014 Last updated at 17:41 GMT
Some of the biggest names in pop will perform together for a huge charity Christmas single.
One Direction and Ed Sheeran are among those in the line up for Band Aid 30, a new version of a classic song that was first released 30 years ago.
Do They Know It's Christmas pulled top British talent together to sing in 1984 and other versions were released in 1989 and 2004.
Chris Martin of Coldplay, Emeli Sande and Paloma Faith are also taking part.