 Due to strong digital sales, the song debuted at number three on the "Billboard" Hot 100 chart in the United States, selling more than 416,000 copies within its first week; it later peaked at number two in January 2013, blocked from the top spot by Bruno Marss "Locked Out of Heaven".At the inaugural YouTube Music Awards in 2013, "I Knew You Were Trouble" won the award for YouTube phenomenon.The song had sold 5.42 million pure copies in the United States as of July 2019.