"Good Girls" is a song by Australian pop rock band 5 Seconds of Summer, taken from their 2014 self-titled debut album.

The song was written by Michael Clifford, Ashton Irwin, Roy Stride, Josh Wilkinson, John Feldmann and Red Triangle's Rick Parkhouse and George Tizzard.

[1] The song was announced as the fourth single off their debut album on 7 October 2014.

[2] 5 Seconds of Summer performed "Good Girls" on the Australian version of The X Factor's live results show on last 6 October.

Then they tweeted the first teaser to fans who did not get the direct message on their Twitter account.