A new version of Band Aid's "Do They Know It's Christmas?" has been announced to celebrate the song's 40th anniversary. The charity single, first released in 1984, has become a festive staple over the years and the Band Aid Charitable Trust has raised over £140 million ($178 million) for causes such as poverty in Africa.

A new 40th anniversary version of Band Aid's festive hit 'Do They Know It's Christmas?' will see U2's Bono sing with a younger version of himself and a young George Michael sing with Harry Styles. The 'Band Aid Compilation',

Band Aid is back! To celebrate 40 years since 'the song that changed the world,' Sir Bob Geldof, Midge Ure and Trevor Horn announce Band Aid 40, which will bring together three decades of Do They Know It's Christmas?

A new 40th anniversary mix of Band Aid's Do They Know It's Christmas? will see the young and old voices of the charity single's artists come together to create an "ultimate" version

The new version of Band Aid's Do They Know It's Christmas? will feature original voices from the 1984 recording, alongside some of the younger artists who appeared in later versions - and a young Bono singing alongside his older self.

A new "ultimate mix" of Band Aid's Do They Know It's Christmas? is being released to celebrate the charity single's 40th anniversary. Producer Trevor Horn has created a mix which combines the star-studded vocals from three previous versions of the song,