Eminem has poked fun at Katy Perry and Justin Bieber also get a mention - with the Not Afraid star stating that he "don't give a damn" about JB's daily schedule.
Em has previously slammed the likes of Jessica Simpson in some of his past material.
A spokesperson for Eminem and Lady GaGa's label, Interscope, did not respond to our US Team's request for comment on A Kiss.

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