[PAR] [TLE] Tiffany Alvord [SEP] Tiffany Lynn Alvord (born December 11, 1992) is an American singer and songwriter.  She has been cited as one of YouTube's first "home-grown celebrities".  She has a large social presence on YouTube with over 500 million video views and over 2.9 million subscribers, making her channel among the top 50 most subscribed music channels on YouTube.  Alvord also has a strong following on social media sites including more than 2.6 million Facebook fans and over 350 thousand Twitter followers.  In December 2012, Alvord performed in Times Square on the Nivea stage with Carly Rae Jepsen, Train, PSY and Taylor Swift as part of the 2012 New Year's Eve celebration. [PAR] [TLE] Taylor Swift [SEP] Taylor Alison Swift (born December 13, 1989) is an American singer-songwriter.  One of the leading contemporary recording artists, she is known for narrative songs about her personal life, which have received widespread media coverage.
[PAR] [TLE] Tiffany Alvord [ SEP ] Tiffany Lynn Alvord ( born December 11 , 1992 ) is an American singer and songwriter . She has been cited as one of YouTube 's first " home - grown celebrities " . She has a large social presence on YouTube with over 500 million video views and over 2.9 million subscribers , making her channel among the top 50 most subscribed music channels on YouTube . Alvord also has a strong following on social media sites including more than 2.6 million Facebook fans and over 350 thousand Twitter followers . In December 2012 , Alvord performed in Times Square on the Nivea stage with Carly Rae Jepsen , Train , PSY and Taylor Swift as part of the 2012 New Year 's Eve celebration . [PAR] [TLE] Taylor Swift [ SEP ] Taylor Alison Swift ( born December 13 , 1989 ) is an American singer - songwriter . One of the leading contemporary recording artists , she is known for narrative songs about her personal life , which have received widespread media coverage .
Tiffany Alvord performed with which American contemporary artist in 2012?
Tiffany Alvord performed with which American contemporary artist in 2012 ?
Taylor Alison Swift
Taylor Alison Swift