Singer Sam Smith attends the Z100's iHeartRadio Jingle Ball 2017 at Madison Square Garden on December 8, 2017 in New York City.
Taylor Swift performs during the 2017 Z100 Jingle Ball at Madison Square Garden on December 8, 2017 in New York City.
Katie Holmes and Suri Cruise perform during the 2017 Z100 Jingle Ball at Madison Square Garden on December 8, 2017 in New York City.
Katie Holmes and Suri Cruise perform during the 2017 Z100 Jingle Ball at Madison Square Garden on December 8, 2017 in New York City.
Daniel Seavey, Corbyn Besson, Jack Avery, Zach Herron and Jonah Marais of Why Don't We perform during the 2017 Z100 Jingle Ball at Madison Square...
Logic performs during the 2017 Z100 Jingle Ball at Madison Square Garden on December 8, 2017 in New York City.
Sam Smith performs during the 2017 Z100 Jingle Ball at Madison Square Garden on December 8, 2017 in New York City.
Rapper Logic attends the Z100's iHeartRadio Jingle Ball 2017 at Madison Square Garden on December 8, 2017 in New York City.
Singer/songwriter Demi Lovato attends the Z100's iHeartRadio Jingle Ball 2017 at Madison Square Garden on December 8, 2017 in New York City.
Musician Lauv attends the Z100's iHeartRadio Jingle Ball 2017 at Madison Square Garden on December 8, 2017 in New York City.
Demi Lovato performs during the 2017 Z100 Jingle Ball at Madison Square Garden on December 8, 2017 in New York City.
Charlie Puth attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Nick Jonas attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Liam Payne performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Liam Payne performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Liam Payne performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Liam Payne performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Nick Jonas attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Liam Payne performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Halsey attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Charlie Puth attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels and Dan Kanter perform during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Julia Michaels performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Dan Kanter performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Charlie Puth attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Nick Jonas attends the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Liam Payne performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Camila Cabello performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Dan Kanter performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Charlie Puth performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Nick Jonas performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
Nick Jonas performs during the Power 96.1 iHeartRadio Jingle Ball 2017 at Philips Arena on December 15, 2017 in Atlanta, Georgia.
