December 1[]
Swift was seen at the KIIS FM's Jingle Bell Ball in Los Angeles, California.
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December 2[]
Swift was seen walking around Central Park in New York City, New York.
December 3[]
Swift was seen arriving at her hotel in New York City, New York. Swift was later seen leaving from her hotel to attend the 2012 Ripple of Hope Gala.
December 4[]
Swift was seen leaving her hotel in New York City, New York. Swift was later seen in the Cookshop restaurant in New York City, arriving at Studio 59 in New York, and arriving back at her hotel.
December 6[]
Swift was seen leaving her hotel in New York City, New York. Swift was later seen arriving the Crosby Hotel in New York City and arriving back at her hotel.
December 7[]
Swift was seen leaving her hotel in New York City, New York.
December 10[]
"I Knew You Were Trouble" was released as the third single from Swift's fourth studio album Red.
December 11[]
Swift was seen in a pub in London with her then-boyfriend Harry Styles. Swift later tweets: "December 13th is my 23rd birthday, and also the premiere of my 23rd video. How fun."
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December 12[]
Swift was seen in Windermere, Cumbria in England with her then-boyfriend Harry Styles.
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December 13[]
Swift tweeted "BIRTHDAY!". Later on, Swift was seen on a ride with her then-boyfriend Harry Styles; and the I Knew You Were Trouble music video debuted on MTV in 4:40 pm ET.
| 2012 |
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| January • February • March • April • May • June • July • August • September • October • November • December |