Jess Mauboy releases Eurovision song

AAP

If you liked Jessica Mauboy's brand new song Sea of Flags, which premiered at the Eurovision competition in Copenhagen, you can now download it from iTunes.

The pop singer penned with song The Potbellez frontman Ilan Kidron for her guest appearance at the international singing contest on Friday.

"My #Eurovision song #SeaOfFlags is out now," she tweeted, fresh from a string of media interviews after her performance.

The former Australian Idol contestant performed the catchy tune before a huge crowd in Copenhagen as part of Eurovision's second semi-final line-up on Friday morning.

Her fans have welcomed its release, leaving congratulatory comments on her Facebook page.

"You go girl, show the world how great you are!" said one avid supporter.