Taylor Swift Falls For A Bad Boy On ‘I Knew You Were Trouble’

Swift teases the Red 'chaotic' track on 'Good Morning America,' telling fans it's all about 'red flags.'

Taylor Swift’s latest Red teaser track, “I Knew You Were Trouble,” breaks the singer out of Nashville and onto the dance floor. The singer teased the track during “Good Morning America” on Monday (October 8), ahead of its full release Tuesday, and it has Swift trying on a brand-new musical hat.

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