Halsey Might Be Throwing Shots At Her Ex-Boyfriend G-Eazy

Before going onto the next song Halsey decided to tell the crowd of Atlantic City the recent lessons she's learned since being single, stating "it’s okay to be alone! Being alone is enough,"  and then, got real savage saying "The second lesson I learned is just don't F**KING sleep with you ex? Umm is she talking about G-Eazy!?