Shania Twain's got the personality, Jack Antonoff's worked with every big name and why shouldn't original winner Kelly Clarkson consider another shot with the show?
Rihanna contributed vocals to Coldplay‘s song ‘Princess of China’ on ‘Mylo Xyloto.’ While it’s quite possible that RiRi, Chris Martin and co. were never in the same room when she laid down her vocals, thanks to the wonders of technology, they will get on the same stage this February, when they perform together for the first time at the Grammys.