The two stars have been trading insults ever since Eminem targeted Kelly on "Not Alike", from his latest album "Kamikaze", leading the 28-year-old to hit back with his own diss track, "Rap Devil".
The "Lose Yourself" hitmaker retaliated with "Killshot", which was released with artwork featuring Kelly's face as a target practice sign.
On Tuesday, February 19, the rapper once again addressed the feud at his concert in Brisbane and called out Machine Gun Kelly, but he did not perform his diss track despite the crowd's requests.
"I would, but I can't give that c**ksucker anymore f**king light," he told the audience. "Brisbane, did you enjoy yourself tonight? Brisbane, thank you for making us feel like family. Y'all are family. We love you. Brisbane, make it home safe. Make some noise for f**king yourself and make nothing for MGK."
Kelly has since hit back at Eminem over his comments.
"Ay @Eminem u made the right decision not dropping that weak a** song in concert and putting everyone to sleep. #RapDevil," he wrote on Twitter.