The single was supported by a music video directed by Anthony Mandler. Premiered on MTV on December 13, 2012, the video depicts Swift going through a tumultuous relationship with an unfaithful man. The song and its video won accolades including an MTV Video Music Award for Best Female Video, a Radio Disney Music Award for Song of the Year, and the Phenomenon Award at the inaugural YouTube Music Awards. To promote the song, Swift performed on televised events including the American Music Awards, the ARIA Music Awards, and the Brit Awards. She included "I Knew You Were Trouble" on the set lists of two of her world tours, the Red Tour (2013–2014) and the 1989 World Tour (2015).