The lead single from Swift's fourth album, "Red", "We Are Never Ever Getting Back Together", became her first number-one song on the US "Billboard" Hot 100. The single "I Knew You Were Trouble" reached number two on the chart while becoming her first chart-topper on "Billboard"'s Mainstream Top 40/Pop Songs chart. In 2012 Swift voiced the character Audrey in the movie "The Lorax". 