Rihanna and Gnarls Barkley. He's a musical genius, continually reinventing himself and I'm thrilled to have him join me on tour.”

The shows begin in Winnipeg, Canada on 18 June. At present, there are no plans to bring the tour to Europe, but we’ll keep you posted.

Instead, the What’s My Name singer has added several dates to her sold-out Loud tour, which kicks off in London in October. She will now do seven dates in total at London’s O2 Arena, including new gigs on 13 November and 1 December. The tour also takes in Glasgow, Birmingham, Liverpool, Newcastle, Nottingham, Sheffield and Manchester.