Platinum-selling singer D4vd allegedly stabbed 14-year-old Celeste Rivas to death in his Hollywood Hills home, then dismembered her body with a chainsaw in a blue inflatable kiddie pool in his garage before stowing her remains in his Tesla and lying to friends who noticed “the strong smell of decay.” That’s the damning narrative prosecutors laid out over nine pages of a preliminary hearing brief filed Wednesday and released to the public over the objection of D4vd’s defense team. Prosecutors