"Back to December" is a song written and recorded by American singer/songwriter Taylor Swift for her third studio album Speak Now (2010).The song was sent to country radio in the United States on November 15, 2010, as the second single from Speak Now.

Swift has performed "Back to December" in several live appearances, notably at the 44th annual Country Music Association Awards and at the 38th American Music Awards.

She continued "I've never felt the need to apologize in a song before.

But in the last two years I've experienced a lot, [including] a lot of different kinds of learning lessons.

It also peaked at number three on the Billboard Hot Country Songs.

The song received moderate success internationally, peaking at number 24 in New Zealand, and number 26 in Australia.

The song's accompanying music video, directed by Yoann Lemoine, laments the aftermath of a break-up between Swift and her boyfriend.

The music video garnered mixed to positive reviews from critics; some praised the spectacular visual sense in portraying the somber mood while others criticized its inadequate narrative.

"Back to December" is considered an orchestral country pop ballad and its lyrics are a remorseful plea for forgiveness for breaking up with a former lover.

"Back to December" received positive reviews from critics, who regarded it as one of the highlights of Speak Now.