In a post on Twitter.com, the British pop star writes, "It's a real shame when people feel they have the right to leak an artist (sic) songs. It's art and personal... I will never know (who did it). Could be anyone from a hacker to someone who has been sent the song once upon a time... Fluff it!! Imma (sic) just keep writing!! Keep believing and keep working my a** off!!"