"Today is finally the day. I'd like to give a massive Thank you firstly for all the love and support I've received over the last few weeks! All the kind messages and words have really been a driving force and motivation to get this done, and they all mean a lot to me," he wrote.
"The track is now live ... I'd love you all to give it a listen."
Radio station RDU yesterday banned the song, saying any DJs that played Forget You would be dragged out of the studio "by their ponytail" and threatened to cancel their show.