Jessie J has urged her fans not to send any personal information to her via direct messages after she was attacked by a hacker.

The singer tweeted this morning (January 24) that an old Facebook account and her email have been hacked, with the attacker impersonating the singer.

She asked fans to retweet her tweet quickly "before they delete this".

The tweet reads:

"I have been Hacked and this hacker has now activated my old fb (Facebook) and my email. And Is pretending to be me. Please Do Not send any personal info on DM's (direct messages). Rt Rt (retweet) (before they delete this)."

As previously reported, Jessie J secured another week at the top of the UK singles chart at the weekend (January 22) as her track 'Domino' continues its success.

Watch the video for Jessie J's 'Domino' below: