Spencer Pratt says Daveigh Chase is dead because "nobody was willing to drag her to rehab against her will." The former 'Hills' star weighed in on the "Lilo & Stich" star's death in a social media post Tuesday ... one day after the Los Angeles County Medical Examiner ruled she died from AIDS and drug use. Spencer was outspoken about drug abuse and rehab when he was running for L.A. mayor ... and his post is also in reaction to images purportedly showing Daveigh looking frail while living on