NEW YORK: Rihanna is back in recording studio with rapper Wale. Both artists are signed to Jay-Z's Roc Nation. Rihanna said: "Work hard play hard! @Walemmg and I cooking up a lil treat!!! #studiolife." It is currently unknown whether they were recording a song for a new Rihanna album or for Wale's upcoming record, though it is rumoured that the duo were re-recording Wale's song 'Bad' which currently features Tiara Thomas. Rihanna's last album Unapologetic was released six months ago in Nov 2012 and has spawned hit singles 'Diamonds' and 'Stay'.–GN