Kourtney Kardashian & Travis Barker Hang With Machine Gun Kelly Backstage At His Concert in LA

Machine Gun Kelly hangs with Travis Barker and his fiancée, Kourtney Kardashian, backstage at his concert held at Shrine Auditorium and Expo Hall in Los Angeles last week. The three pals chilled out behind the stage ahead of, and during, MGK‘s concert. Whitney Cummings, Harvey Mason Jr and John Janick were also spotted backstage hanging [...]