Mariah Carey, Nick Jonas perform in Times Square for 'New Year's Rockin' Eve' (10 images)

Mariah Carey, Nick Jonas and Sugarland perform in Times Square on New Year's Eve for Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest. An estimated one million people will be in Times Square on New Year's Eve and over one billion will be watching throughout the world as the traditional Waterford Crystal ball will drop brining in 2018. Photo by John Angelillo/UPI

Confetti falls after midnight on revelers who stand in Times Square.

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A couple remains outside on a balcony with an almost empty Times Square below after midnight on New Year's Eve.

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