Coldplay fans are in for a surprise this morning with the news that pop queen Rihanna makes a guest appearance on their upcoming fifth album Mylo Xyloto. Rihanna appears on a track called Princess of China. Chris Martin told The Sun: "The album is designed as a whole piece. It has boy and girl lead characters and top of our list for the girl part was Rihanna... but it took a while to pluck up the courage to ask her."

"She has such an amazing voice and it's so different to mine. When the vocal happened I thought 'Wow, you sound different' but I think that's also because she was singing a different song to what we are used to hearing from her and it is written by a bloke from Devon", continued Martin.

What do you think about Coldplay's latest move towards the mainstream? Do you support it, or do you think that Rihanna has no business teaming up with Chris Martin and the boys. Sound off below, folks.