[Shaun]

Calvin Harris has revealed that his next single will feature vocals from Florence Welch.

The pair's collaboration is called 'Sweet Nothing', Harris revealed in an interview with Q. It will be his next single after 'We'll Be Coming Back', which features Example on vocals and is released on Sunday (July 29). Scroll down to watch the video.

The pair previously collaborated when Harris provided a remix for Florence and the Welch's track 'Spectrum (Say My Name)'. The single has spent the last two weeks as the UK's Number One, mainly thanks to sales of Harris's remix.

In the same interview, Harris also revealed that two artists turned down 'We Found Love' before Rihanna recorded the song and made it into a Number One. Discussing the track's history, he recalled: "It was going to be the third single off my new album and I needed a vocalist, so it was like, Anyone want to sing on this? Then someone said, 'I do', and it was Rihanna. Two other people could have released it, though."

Despite the single's success, Harris admitted that he is still too shy to accept Rihanna's offers of friendship. He explained: "She's tried. She's like, 'yeah come on and hang out in my dressing room'. I'm like, 'Arrghh!. I mean what do I say to Rihanna? There's nothing! She's great, she’s well friendly, she’s nice, I see that. But…I can't. I'm from Dumfries, man!"

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guess it was predictable after he got her her first no.1...