One Direction fans have been sent into a frenzy after a solo track recorded by heartthrob Harry Styles leaked online.

Rumours suggesting the British singer has been working on a solo project have been circulating for months, and now the speculation appears to have been confirmed after his song Don't Let Me Go appeared online on Friday (14Jun13).

The track was written by Styles' rocker friend Sam MCCarthy, who also sings on it, and he was pleased with fans' reactions on In a post on the site, MCCarthy writes, "Wow! Thanks for all the nice tweets about the song. Harry did most of the words I did the music."

He later added in a message to Styles, "Trending worldwide Lol (laugh out loud) You must be quite popular."