Bang BangLiveJessie J36.7K views on YouTubeDateUnknown · add itVenueSan JoseKnow when this was? Add itNot really Jessie J? Report it3:14LikeShareOriginal title: Jessie J Ft. Demi Lovato - Bang Bang [Multicam] (Live At San Jose, Ca)CommentsSign in to comment.No comments yet. Were you there?