‘Oh my God, hold up,’ the genre-bending artist, 35, said after witnessing the scary incident.

The rapper later gave the concertgoer his cap, telling her, "I wear this hat every f---ing day. It's special, but f--- that, ...

Machine Gun Kelly jumped to the aid of a fan who fell off the stage during his March 5 concert in London, later describing the incident as "the coolest thing." ...