Taylor Swift walks the red carpet at the 2010 American Music Awards, which take place on Sunday, November 21 at the Nokia Theatre L.A. Live in Los Angeles.

The 20-year-old country darling was nominated for one award that evening, which she won! Taylor won the award for Favorite Female Artist (Country).

Taylor praised her supporters, saying she had been given yet another reason to be grateful this Thanksgiving.

Taylor Swift debuted her new straight-haired look at the 2010 American Music Awards!

Taylor Swift unveiled a sleek new appearance during her Sunday night performance at the American Music Awards.

The young pop/country crossover artist was spotted seated behind a piano sans her distinctive curls, with bangs and straight hair pulled back in a ponytail.

Taylor Swift debuted her new straight-haired look at the 2010 American Music Awards!

Swift, who won the American Music Award for Best Country Female Artist, sang her song “Back to December,” which is supposed to be an apology to ex-Taylor Lautner, before moving to OneRepublic’s “Apologize.”

Taylor Swift debuted her new straight-haired look at the 2010 American Music Awards!