Cee Lo is best known as a member of Gnarls Barkley and for his 2010 hit 'Forget You'.
The musicians donate tracks in aid of climate change and funds for disaster relief organisation
Bruno Mars, JLS, Olly Murs, The Wanted, Cover Drive, Jessie J and Enrique Iglesias are just some of the stars to post messages on Twitter. Read them here.
The boys will be joined by Cee-Lo Green, Christina Aguilera and members of the Jackson family.
Cee-Lo Green and Amy Winehouse had plans to record a song together.
Prepare to be struck down with hair envy as these stars show off their auburn tresses and copper locks.
Cee-Lo was the party animal at a nightclub in Las Vegas...
The fourth official single from his 'Lady Killer' album, 'I Want You' is set to be released on July 3rd.
The singer will release the next track from The Lady Killer in March.
Check out the amazing new video 'It's Ok' by Cee Lo Green here...
This song became an overnight sensation and is part of Cee-Lo's third album 'The Lady Killer'. Check out the amazing video here.
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Black Eyed Peas
The Peas have collaborated with Cee-Lo, Sting and even James Brown!
Matt emphatically won 2010's X-Factor and has a voice that not many can match.
Olly says he'd want a duvet, pillow, iPod and a guitar if stuck on a desert island.