Unicef - 'Imagine'

Released: TBA

Stars of the music industry such as David Guetta, Will.I.Am and Katy Perry have teamed up with some of Hollywood's biggest stars to help the charity Unicef with a new version of John Lennon's classic 'Imagine'.

Actors such as Idris Elba, Courtney Cox and Seth Green have all pledged their vocals to the the song too!

The final version will see Lennon’s Imagine remixed by DJ David Guetta, to commemorate the 25th anniversary of the Convention on the Rights of the Child.