© Rex Features
Although annoyed that the song had surfaced on the web, the singer insisted that there is "better to come" on the finished record.
She posted on her official Twitter page: "Pretty bummed about my track being leaked, But the response has been amazing!! Thanks so much. Even better 2 come:-) Album almost finished X (sic)."
Buchanan has been working on her debut solo LP, which is slated for release this year, since being ousted from the Sugababes in 2009.
>Keisha Buchanan: 'Album will shock'
