Rihanna could be set to reveal that first track from her forthcoming sixth album this week, amidst rumours the track is produced by Calvin Harris.

Last week Rihanna appeared to confirm that her next album will be released this Autumn and has again 'leaked' details of the release to fans on Twitter.

Tweeting on Sunday, Rihanna teased fans by sayig: "No teasin' U waited long enough..." before seeming to confirm the Friday preview. "It is??? Yaaaayy" she said in response to a fan asking,  "Is @Rihanna's new single really coming this Friday? #death"

Meanwhile, Just Jared reports that Rihanna will perform the single in Brazil as part of her Rock For Rio performance.

Rihanna will hit the UK in October in support of her massive selling fifth album, ''Loud'.