You know John Mayer.
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You know Shawn Mendes.
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They both play guitar and sing really well AND Shawn has been a huge fan of John's.
Well on Friday, John posted this Instagram throwback, captioned "#tbt 1998. In it for life."
Shawn, who's 19, then proceeded to epically drag John on his own Insta:
LOL @ "OLD MAN."
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Fans were crackin' up.
Maybe 2018 should be the year where we all start publicly dragging our idols on Insta???
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