Lady Gaga's new single 'Born This Way' has emerged online ahead of its official release.

The track, taken from the singer's forthcoming album of the same name, was due to be released at 2pm (GMT) today (February 11).

But gossip blogger Perez Hilton made it available for his listeners this morning, prompting huge excitement on social-networking websites.

Lady Gaga will premiere 'Born This Way' at the Grammy Awards in Los Angeles on Sunday (February 13). Her new album, which is understood to include 17 tracks, is due out in May.

(by Jason Gregory)