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Rising country star Tucker Wetmore sings that a lady in his life kept on doing him wrong in his new track ... and, we now know who he means -- his model ex!

Here's the deal ... "Proving Me Right" -- the singer-songwriter's newest single -- came out Friday, and Wetmore airs some grievances in it, calling out a woman in his life who's been jerking him around.

For example, Tucker singer, "Yeah, I saw what you was just chasin'/Queen bee, the game that you're playin'/Ain't worth the whiskey I wasted" and "Keep on doin' me wrong now, baby / Bout time they get to know ya, baby."

Basically ... he's getting over some girl who he feels wronged him -- and our sources say it's in fact about Bryana Ferringer , a Nashville-based model who recently we

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