The #OneLoveManchester concert united fans of music, through love. "Love always wins in the end," Justin Bieber said as he performed in front of approximately 50,000 people. The concert had multiple A-list acts singing in honor of the victims of the Manchester terrorist attack two weeks ago. The concert kicked off at 2pm EST on June 4, and did not disappoint. Ariana Grande, Mac Miller, Coldplay, Katy Perry, Niall Horan and many other acts sang fan favorites as the crowd harmonized along.