The song is called "We Own The Night" and will be on their upcoming album, Word of Mouth.
"#WeOwnTheNight I think, is my favourite song we've ever done!:)))" Max George tweeted last month.
Listen to the guys' new tune below and let us know what you think!
It won't be available on iTunes until August 11 so keep refreshing this page to hear it more and more!
Word of Mouth is expected to hit shelves on September 16.
Do you think this song can live up to the success of "Glad You Came"?