Capital One Presents Z100'S Jingle Ball Lineup: Z100's Jingle Ball, Taylor Swift, Ariana Grande, Meghan Trainor, Iggy Azalea, 5 Seconds of Summer, Jason Derulo, Fall Out Boy, Becky G, Calvin Harris, Jessie J, Nicki Minaj, Jeremih, Nick Jonas, Kiesza, Mary Lambert, Lil Jon, Demi Lovato, MAGIC!, Maroon 5, Shawn Mendes, Jake Miller, Nico & Vinz, OneRepublic, Rita Ora, Rixton, Sam Smith, T.I., Pharrell, Charli XCX