Singer d4vd has canceled the final two dates of his US tour almost two weeks after the dismembered body of a 15-year-old girl, identified as Celeste Rivas Hernandez, was found in the trunk of his car. ET can confirm, investigators executed a search warrant on the singer’s home Wednesday, and it’s reported he’s cooperating with authorities. So far, Celeste’s cause of death has not been determined and no one has been charged.