Rihanna, Cheryl Cole collaboration will happen: Will.I.Am
Singer Will.I.Am says the collaboration between Rihanna and Cheryl Cole will happen when they find the right song
"Rihanna and Cheryl will be great when it happens. I first told Rihanna about Cheryl in 2009 when I said she's like the princess of England."
"No disrespect to the real royals but Cheryl's the pop princess and I've been telling Rihanna, so hopefully it will happen soon," he added.