Hailee Steinfeld
The 2017 SummerBash was held in the Allstate Arena on June 24. The lineup included Niall Horan, Kygo, Zedd, Camila Cabello, Jason Derulo, Hailee Steinfeld, Dua Lipa, Noah Cyrus, Cheat Codes, and Liam Payne as the very "special guest performer".