Diplo performs at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, California, U.S., December 2, 2016. Photo: Reuters
Women sing along during a performance by Bruno Mars at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, California U.S., December 2, 2016. Photo: Reuters
Meghan Trainor performs at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, California U.S., December 2, 2016. Photo: Reuters
Fifth Harmony performs at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, California, U.S., December 2, 2016. Photo: Reuters
Diplo performs at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, California U.S., December 2, 2016. Photo: Reuters
Britney Spears performs at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, California U.S., December 2, 2016. Photo: Reuters
Justin Bieber performs at iHeartRadio Jingle Ball concert at Staples Center in Los Angeles, Californiam U.S., December 2, 2016. Photo: Reuters
Ellie Goulding performs at Z100`s Jingle Ball in Manhattan, New York, U.S., December 9, 2016. Photo: Reuters
Ariana Grande performs at Z100`s Jingle Ball in Manhattan, New York, U.S., December 9, 2016. Photo: Reuters
Charlie Puth performs at Z100`s Jingle Ball in Manhattan, New York, U.S., December 9, 2016. Photo: Reuters