Z100 JINGLE BALL 2014: Taylor Swift, Ariana Grande, 5 Seconds of Summer & More
Z100's Jingle Ball 2014 line-up includes Taylor Swift, Ariana Grande, Iggy Azalea, 5 Seconds of Summer, Pharrell, Sam Smith, Jessie J, Charli XCX, Maroon 5, Calvin Harris, OneRepublic, Meghan Trainor, Rita Ora, Shawn Mendes, Kiesza and Rixton. As John Basedow (@JohnBasedow) reports, Nick Jonas will be a special guest and radio personality Elvis Duran hosts the Madison Square Garden holiday event.
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