Ariana Grande Performs at Z100s Jingle Ball 2015 in New York City

Ariana Grande Performs at Z100-s Jingle Ball 2015 in New York City-1

Ariana Grande Performs at Z100-s Jingle Ball 2015 in New York City

Ariana Grande Performs at Z100-s Jingle Ball 2015 in New York City-2

Ariana Grande Performs at Z100-s Jingle Ball 2015 in New York City-3

Ariana Grande Performs at Z100-s Jingle Ball 2015 in New York City-4

Ariana Grande Performs at Z100-s Jingle Ball 2015 in New York City-5