Fall Out Boy perform 'My Songs Know What You Did in the Dark' on 'Jimmy Kimmel Live' last night dressed as glow-in-the-dark skeletons.
Their upcoming comeback album, Save Rock and Roll just got it's release date pushed up from May 7 to April 16! Watch the guys look awesome rocking out in their costumes below!
Check out Fall Out Boy through the years:
Fall Out Boy rocking through the years