Heiress Casey Johnson Dies in Los Angeles

ET can confirm that Casey Johnson was found dead on January 4.

According to the LAPD, Johnson's body was discovered at 11:50 a.m. on January 4 and there is an investigation into her death.

"It appears to be a natural death," police officer Sara Faden tells ET. "There's no evidence of foul play. A toxicology report from the coroner's office will proceed next."