Question: who performed at jingle ball 2019?
Answer: 13, features Swift, Jonas Brothers, Camila Cabello, Halsey, 5SOS, Niall Horan, Lizzo, Dan + Shay, Monsta X, Lewis Capaldi and Fletcher. The show be carried live across the country on 100 iHeartRadio CHR stations and will livestream exclusively via The CW App and CWTV.com.