The 2015 Jingle Ball concert at New York's Madison Square Garden with performances from The Weeknd, Calvin Harris, Selena Gomez, 5 Seconds of Summer, Demi Lovato, Nick Jonas, Fifth Harmony, Zedd, Shawn Mendes, Tove Lo, Charlie Puth, Hailee Steinfeld, R. City, Conrad Sewell, and DNCE.