It debuted at number one in the United States and the single "Mean" won two Grammy Awards.
Her fourth album, Red (2012), yielded the successful singles "We Are Never Ever Getting Back Together" and "I Knew You Were Trouble".
She has appeared in Time 100 most powerful women (2015), and Forbes Celebrity 100 (2016).
She was the youngest woman to be included in the third of these and ranked first in Celebrity 100, and was also one of the finalists for Time Person of the Year in 2014.
Swift made her acting debut in a 2009 episode of CBS's CSI: Crime Scene Investigation, playing a rebellious teenager.
The New York Times noted that the character allowed Swift to be "a little bit naughty, and credibly so".
At the 52nd Grammy Awards, Fearless was named Album of the Year and Best Country Album, and "White Horse" was named Best Country Song and Best Female Country Vocal Performance.