Rihanna never stops working!

She only just wrapped up her Diamonds world tour to support her seventh album, 'Unapologetic,' but RiRi is already starting work on her followup -- which will be her eighth studio album since her 2005 debut, 'Music of the Sun.'

Producer Rodney 'Darkchild' Jerkins confirmed that he's working with top tier pop starlets Britney Spears, Mariah Carey and Jennifer Lopez -- as well as the 'Pour It Up' singer.

"I just finished a couple songs with Jessie J over in London and I also wrote a couple of songs that are being considered for Rihanna's new album, so there's a lot of good stuff happening so we'll see," Jerkins told The Source (via Vibe).

Rihanna previously posted an Instagram shot, above, with rapper Wale in the studio. The photo, posted May 10, was captioned, "Work hard play hard! @Walemmg and I cooking up a lil treat!!! #studiolife." It's unclear whether their recording session was for Wale's upcoming record or her own, but regardless -- or Rihgardless, as it were -- if it has her name attached to it, you can assume it'll be a hit.

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