Australian pop star Daniel Merriweather has fallen victim to hackers.

The Stop Me hitmaker surprised fans on Monday (29Oct12) when messages about a miracle weightloss product appeared online and it quickly became clear they weren't from the singer.

He managed to regain control of the social networking account hours later and changed his password to prevent further unauthorised posts.

Apologising to fans for the incident, he writes, "Yes, i have been hacked... Sorry about any confusion... ok... the hacked messages should stop now... sorry bout the weird tweets".

Merriweather is the latest celebrity to have their online security compromised - actress Eva Longoria and British singer-turned-Tv presenter Myleene Klass have also been targetted this month (Oct12).