Luke Bryan performs at the Times Square New Year's Eve celebration on Thursday, Dec. 31, 2015, in New York. (Andy Kropa)
Demi Lovato performs at the Times Square New Year's Eve celebration on Dec. 31, 2015, in New York. (Andy Kropa)
Jenny McCarthy performs at the Times Square New Year's Eve celebration on Dec. 31, 2015, in New York. (Andy Kropa)
Revelers wave balloons during the annual New Year's Eve celebration in Times Square on Thursday, Dec. 31, 2015, in New York. (Kevin Hagen)
Revelers wave balloons during the time leading up to the annual New Year's Eve celebration in Times Square on Thursday, Dec. 31, 2015, in New York. (Kevin Hagen)
Wiz Khalifa performs at the Times Square New Year's Eve celebration on Thursday, Dec. 31, 2015, in New York. (Andy Kropa)
A group of Marines and Sailors sing in New York's Times Square during the New Years Eve celebration, Thursday, Dec. 31, 2015. (Mary Altaffer)
Charlie Puth performs in Times Square in New York during the New Years Eve celebration, Thursday, Dec. 31, 2015. (Ted Shaffrey)
Vanilla Ice, center, attends the Times Square New Year's Eve celebration on Dec. 31, 2015, in New York. (Andy Kropa)
Vanilla Ice attends the Times Square New Year's Eve celebration on Dec. 31, 2015, in New York. (Andy Kropa)
A New York police officer uses binoculars to patrol from a rooftop along Times Square during New Year's Eve celebrations in 2015. (Julio Cortez)
Revelers gather at New York's Times Square during the New Year's Eve celebration, as seen from the New York Marriott Marquis hotel, Thursday, Dec. 31, 2015. (Mary Altaffer)
Revelers are given party hats during the New York Times Square New Year's Eve celebration, as seen from the New York Marriott Marquis hotel, Thursday, Dec. 31, 2015. (Mary Altaffer)
New York police officers keep watch during the hours leading up to the annual New Year's Eve celebration in Times Square on Thursday. (Kevin Hagen)
Ryan Seacrest attends the Times Square New Year's Eve celebration on Dec. 31, 2015, in New York. (Andy Kropa)
Carrie Underwood performs during New Years Eve celebrations at Times Square in New York on Thursday, Dec. 31, 2015. (Ted Shaffrey)
New York's Times Square glows during New Year's Eve celebrations seen from a New York Police helicopter patrolling the city, Thursday, Dec. 31, 2015, in New York. (Julio Cortez)