Machine Gun Kelly Just Left A Seriously Snarky Comment On Yungblud’s Instagram Post — And People Are Calling Out One Part In Particular  BuzzFeedYUNGBLUD’s Team Fires Back at Machine Gun Kelly’s Comment About Tour Cancellation  TMZPop star disses former collaborator: ‘Shut the [expletive] up’  Yahoomgk Calls Out Yungblud Again, Singer’s Rep Responds  LoudwireYungblud’s Team Responds To Machine Gun Kelly’s Brutal Instagram Diss  Stereogum