‘I Knew You Were Trouble’ (2012)

Taylor drew inspiration from her failed romance with Harry Styles even before 1989.

Styles acknowledged that it wasn't "impossible to access that feeling when the person the song is directed at is standing side of the stage watching" during a fiery performance of the song at the 2013 Brit Awards, where she was in the audience.

Taylor Swift proved she knew how to stir problems on "I Knew You Were Trouble," proving that the box she had just broken free from with "We Are Never..." wasn't one she would ever return to. This relentless pop-country hybrid, constructed around a hooky rock riff, was another big crossover, landing at No. 2 on both sides of the Atlantic as part of an era when practically every new song could claim to be among the best Taylor Swift songs. "I Knew You Were Trouble," another Max Martin and Shellback composition, was debuted at the 40th American Music Awards in another memorable live performance that displayed Taylor's growing stage confidence.

Album: “Red”

Songwriters: Taylor Swift, Max Martin, Shellback

Accolades: The music video won Best Female Video at the VMAs.