Beyoncé performs "Halo" live at Chime for Change concert (HD 1080p)

http://www.youtube.com/v/bBFOWiOZ5rM?autohide=1&version=3&attribution_tag=sM_sh72bxWjjLVpgkLqKsw&showinfo=1&autoplay=1&autohide=1&feature=share