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D4vd 's hitting pause on his world tour after authorities in Los Angeles identified the dead girl found in his Tesla ... we've learned he's NOT taking the stage tonight for a scheduled gig in Seattle.

The singer was supposed to perform Wednesday night at the Showbox SoDo, but sources with direct knowledge tell us the concert is canceled. Getty

D4vd had been touring even while cops in L.A. were in the middle of a homicide investigation involving a chopped up and decomposing body that was found earlier this month in the front trunk of his Tesla.

We broke the story ... the body has now been identified as 15-year-old Celeste Rivas and her mom tells us she had a boyfriend named David.

The girl's remains were found last week inside a Tesla registered to D4vd ... the car ha

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