Rihanna's New Song 'Birthday Cake' Will "Shock The World"

The 'Talk That Talk' star's new track will feature a guest star.

Rihanna's 'Birthday Cake' is to be given a full-length release.

The original version of the track, from her latest album 'Take That Talk', is only 78 seconds long.

But RiRi has now revealed that she is set to release an extended of the track with a guest star.

Co-producers Da Internz told MTV News: "We got the Rihanna 'Birthday Cake' coming out in a week.

"It's gonna be crazy. And the feature on there is gonna shock the world."

At present, there has been no indication as to who the guest collaborator on the track is.

Rihanna released her latest album 'Talk That Talk' last year. The record features the singles 'We Found Love', 'You Da One' and current track, 'Talk That Talk'.