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11 June 2013, 17:53
The 'Red' star performed her chart-topping hit as part of her live set at the Capital FM Summertime Ball 2013.
Taylor Swift performed hit single 'I Knew You Were Trouble' as part of her set at this years Capital FM Summertime Ball.
The song was released from the star's 2012 album 'Red'.
The music video for the track sees the '22' singer enjoy a romance with a love interest before their relationship ends in heartbreak.
The star also performed her hit 'Love Story' at the Summertime Ball.
Watch Taylor Swift perform 'I Knew You Were Trouble' below: