The singer will play five stadium and arena shows as part of a massive world tour set to take place next year
Rihanna performs on Coldplay track
Rihanna will feature on a track of Coldplay's fifth studio album, Xylo Myloto.
The chart star has provided vocals for the song, Princess of China, which is on the album due out on October 24.
Chris Martin told The Sun she had an 'amazing' voice but admits he was nervous about asking,
"We did a show in Las Vegas and I met her and said, 'Do you think there's any chance?' I was very Hugh Grant-like and spluttering about it.
"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."
The band have just unveiled the second single - entitled Paradise - from the forthcoming album.
Kate Middleton dazzles at St Andrews University, and Skyfall star Javier Bardem is given a star on the Hollywood Walk of Fame
Rihanna and Katy Perry are up for several awards at the 2012 music ceremony
Bajan beauty Rihanna will reportedly release a new album and single in the coming months.