 A remix of " S & M " featuring rapper J. Cole was released on the internet on January 17 , 2011 . After the release of the song 's album version , Rihanna asked her followers on Twitter about potential collaborators , of which Spears was the most popular choice . Twitter messages between the two artists caused speculation that they had recorded a remix of the song . The remix , featuring guest vocals by Spears , was released on April 11 , 2011 . 
