Single Review: Taylor Swift - I Knew You Were Trouble

"I Knew You Were Trouble" is a pop country song by American singer-songwriter Taylor Swift. This song was released as her digital single and will be available on her "Red" studio album. It was released on 9 October 2012, in the United States by Big Machine Records as the third promotional single from the album. Later, "I Knew You Were Trouble" was released as the third single from Red on 27 November 2012, in the United States. It was written by Taylor Swift, Max Martin and Shellback, with the production handled by the latter two.